Home / 42,318.48-58,398.12-25,548.56

Finding the Fourth Proportional to 42,318.48, 58,398.12 and 25,548.56

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Solution

The fourth proportional to 42,318.48, 58,398.12 and 25,548.56 is: 35,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,318.48 : 58,398.12 = 25,548.56 : x
  2. Step 2: Convert to fraction form
    42,318.48/58,398.12 = 25,548.56/x
  3. Step 3: Cross multiply
    42,318.48x = 58,398.12 × 25,548.56
  4. Step 4: Simplify right side
    42,318.48x = 1,491,987,872.71
  5. Step 5: Solve for x
    x = 1,491,987,872.71/42,318.48
  6. Step 6: Final answer
    x = 35,256.18

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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.