Home / 42,071.14-63,118.08-13,995.70

Finding the Fourth Proportional to 42,071.14, 63,118.08 and 13,995.70

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Solution

The fourth proportional to 42,071.14, 63,118.08 and 13,995.70 is: 20,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,071.14 : 63,118.08 = 13,995.70 : x
  2. Step 2: Convert to fraction form
    42,071.14/63,118.08 = 13,995.70/x
  3. Step 3: Cross multiply
    42,071.14x = 63,118.08 × 13,995.70
  4. Step 4: Simplify right side
    42,071.14x = 883,381,712.26
  5. Step 5: Solve for x
    x = 883,381,712.26/42,071.14
  6. Step 6: Final answer
    x = 20,997.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.