Home / 42,029.40-57,999.78-22,909.35

Finding the Fourth Proportional to 42,029.40, 57,999.78 and 22,909.35

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Solution

The fourth proportional to 42,029.40, 57,999.78 and 22,909.35 is: 31,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,029.40 : 57,999.78 = 22,909.35 : x
  2. Step 2: Convert to fraction form
    42,029.40/57,999.78 = 22,909.35/x
  3. Step 3: Cross multiply
    42,029.40x = 57,999.78 × 22,909.35
  4. Step 4: Simplify right side
    42,029.40x = 1,328,737,259.94
  5. Step 5: Solve for x
    x = 1,328,737,259.94/42,029.40
  6. Step 6: Final answer
    x = 31,614.47

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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.