Home / 42,397.05-63,520.73-25,723.22

Finding the Fourth Proportional to 42,397.05, 63,520.73 and 25,723.22

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Solution

The fourth proportional to 42,397.05, 63,520.73 and 25,723.22 is: 38,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,397.05 : 63,520.73 = 25,723.22 : x
  2. Step 2: Convert to fraction form
    42,397.05/63,520.73 = 25,723.22/x
  3. Step 3: Cross multiply
    42,397.05x = 63,520.73 × 25,723.22
  4. Step 4: Simplify right side
    42,397.05x = 1,633,957,792.24
  5. Step 5: Solve for x
    x = 1,633,957,792.24/42,397.05
  6. Step 6: Final answer
    x = 38,539.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.