Home / 42,439.20-58,567.20-25,446.21

Finding the Fourth Proportional to 42,439.20, 58,567.20 and 25,446.21

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Solution

The fourth proportional to 42,439.20, 58,567.20 and 25,446.21 is: 35,116.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,439.20 : 58,567.20 = 25,446.21 : x
  2. Step 2: Convert to fraction form
    42,439.20/58,567.20 = 25,446.21/x
  3. Step 3: Cross multiply
    42,439.20x = 58,567.20 × 25,446.21
  4. Step 4: Simplify right side
    42,439.20x = 1,490,313,270.31
  5. Step 5: Solve for x
    x = 1,490,313,270.31/42,439.20
  6. Step 6: Final answer
    x = 35,116.43

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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.