Home / 42,187.90-58,217.16-23,321.38

Finding the Fourth Proportional to 42,187.90, 58,217.16 and 23,321.38

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Solution

The fourth proportional to 42,187.90, 58,217.16 and 23,321.38 is: 32,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,187.90 : 58,217.16 = 23,321.38 : x
  2. Step 2: Convert to fraction form
    42,187.90/58,217.16 = 23,321.38/x
  3. Step 3: Cross multiply
    42,187.90x = 58,217.16 × 23,321.38
  4. Step 4: Simplify right side
    42,187.90x = 1,357,704,510.88
  5. Step 5: Solve for x
    x = 1,357,704,510.88/42,187.90
  6. Step 6: Final answer
    x = 32,182.32

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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.