Home / 42,836.80-59,105.92-29,403.12

Finding the Fourth Proportional to 42,836.80, 59,105.92 and 29,403.12

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Solution

The fourth proportional to 42,836.80, 59,105.92 and 29,403.12 is: 40,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,836.80 : 59,105.92 = 29,403.12 : x
  2. Step 2: Convert to fraction form
    42,836.80/59,105.92 = 29,403.12/x
  3. Step 3: Cross multiply
    42,836.80x = 59,105.92 × 29,403.12
  4. Step 4: Simplify right side
    42,836.80x = 1,737,898,458.47
  5. Step 5: Solve for x
    x = 1,737,898,458.47/42,836.80
  6. Step 6: Final answer
    x = 40,570.22

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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.