Home / 47,755.53-71,608.68-21,437.73

Finding the Fourth Proportional to 47,755.53, 71,608.68 and 21,437.73

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Solution

The fourth proportional to 47,755.53, 71,608.68 and 21,437.73 is: 32,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,755.53 : 71,608.68 = 21,437.73 : x
  2. Step 2: Convert to fraction form
    47,755.53/71,608.68 = 21,437.73/x
  3. Step 3: Cross multiply
    47,755.53x = 71,608.68 × 21,437.73
  4. Step 4: Simplify right side
    47,755.53x = 1,535,127,547.50
  5. Step 5: Solve for x
    x = 1,535,127,547.50/47,755.53
  6. Step 6: Final answer
    x = 32,145.55

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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.