Home / 39,531.78-59,321.06-14,589.20

Finding the Fourth Proportional to 39,531.78, 59,321.06 and 14,589.20

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Solution

The fourth proportional to 39,531.78, 59,321.06 and 14,589.20 is: 21,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.78 : 59,321.06 = 14,589.20 : x
  2. Step 2: Convert to fraction form
    39,531.78/59,321.06 = 14,589.20/x
  3. Step 3: Cross multiply
    39,531.78x = 59,321.06 × 14,589.20
  4. Step 4: Simplify right side
    39,531.78x = 865,446,808.55
  5. Step 5: Solve for x
    x = 865,446,808.55/39,531.78
  6. Step 6: Final answer
    x = 21,892.43

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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.