Home / 63,428.47-95,146.85-21,305.23

Finding the Fourth Proportional to 63,428.47, 95,146.85 and 21,305.23

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Solution

The fourth proportional to 63,428.47, 95,146.85 and 21,305.23 is: 31,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,428.47 : 95,146.85 = 21,305.23 : x
  2. Step 2: Convert to fraction form
    63,428.47/95,146.85 = 21,305.23/x
  3. Step 3: Cross multiply
    63,428.47x = 95,146.85 × 21,305.23
  4. Step 4: Simplify right side
    63,428.47x = 2,027,125,338.42
  5. Step 5: Solve for x
    x = 2,027,125,338.42/63,428.47
  6. Step 6: Final answer
    x = 31,959.24

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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.