Home / 34,225.86-47,230.30-19,118.28

Finding the Fourth Proportional to 34,225.86, 47,230.30 and 19,118.28

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Solution

The fourth proportional to 34,225.86, 47,230.30 and 19,118.28 is: 26,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,225.86 : 47,230.30 = 19,118.28 : x
  2. Step 2: Convert to fraction form
    34,225.86/47,230.30 = 19,118.28/x
  3. Step 3: Cross multiply
    34,225.86x = 47,230.30 × 19,118.28
  4. Step 4: Simplify right side
    34,225.86x = 902,962,099.88
  5. Step 5: Solve for x
    x = 902,962,099.88/34,225.86
  6. Step 6: Final answer
    x = 26,382.45

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.