Home / 42,837.80-59,107.30-29,404.12

Finding the Fourth Proportional to 42,837.80, 59,107.30 and 29,404.12

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Solution

The fourth proportional to 42,837.80, 59,107.30 and 29,404.12 is: 40,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,837.80 : 59,107.30 = 29,404.12 : x
  2. Step 2: Convert to fraction form
    42,837.80/59,107.30 = 29,404.12/x
  3. Step 3: Cross multiply
    42,837.80x = 59,107.30 × 29,404.12
  4. Step 4: Simplify right side
    42,837.80x = 1,737,998,142.08
  5. Step 5: Solve for x
    x = 1,737,998,142.08/42,837.80
  6. Step 6: Final answer
    x = 40,571.60

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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.