Home / 45,358.02-62,428.82-39,945.06

Finding the Fourth Proportional to 45,358.02, 62,428.82 and 39,945.06

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Solution

The fourth proportional to 45,358.02, 62,428.82 and 39,945.06 is: 54,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,358.02 : 62,428.82 = 39,945.06 : x
  2. Step 2: Convert to fraction form
    45,358.02/62,428.82 = 39,945.06/x
  3. Step 3: Cross multiply
    45,358.02x = 62,428.82 × 39,945.06
  4. Step 4: Simplify right side
    45,358.02x = 2,493,722,760.90
  5. Step 5: Solve for x
    x = 2,493,722,760.90/45,358.02
  6. Step 6: Final answer
    x = 54,978.65

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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.