Home / 42,006.48-57,969.12-23,143.61

Finding the Fourth Proportional to 42,006.48, 57,969.12 and 23,143.61

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Solution

The fourth proportional to 42,006.48, 57,969.12 and 23,143.61 is: 31,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,006.48 : 57,969.12 = 23,143.61 : x
  2. Step 2: Convert to fraction form
    42,006.48/57,969.12 = 23,143.61/x
  3. Step 3: Cross multiply
    42,006.48x = 57,969.12 × 23,143.61
  4. Step 4: Simplify right side
    42,006.48x = 1,341,614,415.48
  5. Step 5: Solve for x
    x = 1,341,614,415.48/42,006.48
  6. Step 6: Final answer
    x = 31,938.27

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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.