Home / 47,732.60-71,577.30-21,423.80

Finding the Fourth Proportional to 47,732.60, 71,577.30 and 21,423.80

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Solution

The fourth proportional to 47,732.60, 71,577.30 and 21,423.80 is: 32,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,732.60 : 71,577.30 = 21,423.80 : x
  2. Step 2: Convert to fraction form
    47,732.60/71,577.30 = 21,423.80/x
  3. Step 3: Cross multiply
    47,732.60x = 71,577.30 × 21,423.80
  4. Step 4: Simplify right side
    47,732.60x = 1,533,457,759.74
  5. Step 5: Solve for x
    x = 1,533,457,759.74/47,732.60
  6. Step 6: Final answer
    x = 32,126.01

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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.