Home / 42,855.81-59,155.88-29,427.63

Finding the Fourth Proportional to 42,855.81, 59,155.88 and 29,427.63

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Solution

The fourth proportional to 42,855.81, 59,155.88 and 29,427.63 is: 40,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,855.81 : 59,155.88 = 29,427.63 : x
  2. Step 2: Convert to fraction form
    42,855.81/59,155.88 = 29,427.63/x
  3. Step 3: Cross multiply
    42,855.81x = 59,155.88 × 29,427.63
  4. Step 4: Simplify right side
    42,855.81x = 1,740,817,348.96
  5. Step 5: Solve for x
    x = 1,740,817,348.96/42,855.81
  6. Step 6: Final answer
    x = 40,620.33

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.