Home / 39,408.10-59,117.55-14,442.10

Finding the Fourth Proportional to 39,408.10, 59,117.55 and 14,442.10

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Solution

The fourth proportional to 39,408.10, 59,117.55 and 14,442.10 is: 21,665.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,408.10 : 59,117.55 = 14,442.10 : x
  2. Step 2: Convert to fraction form
    39,408.10/59,117.55 = 14,442.10/x
  3. Step 3: Cross multiply
    39,408.10x = 59,117.55 × 14,442.10
  4. Step 4: Simplify right side
    39,408.10x = 853,781,568.86
  5. Step 5: Solve for x
    x = 853,781,568.86/39,408.10
  6. Step 6: Final answer
    x = 21,665.13

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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.