Home / 42,354.66-63,530.17-14,272.86

Finding the Fourth Proportional to 42,354.66, 63,530.17 and 14,272.86

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Solution

The fourth proportional to 42,354.66, 63,530.17 and 14,272.86 is: 21,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,354.66 : 63,530.17 = 14,272.86 : x
  2. Step 2: Convert to fraction form
    42,354.66/63,530.17 = 14,272.86/x
  3. Step 3: Cross multiply
    42,354.66x = 63,530.17 × 14,272.86
  4. Step 4: Simplify right side
    42,354.66x = 906,757,222.19
  5. Step 5: Solve for x
    x = 906,757,222.19/42,354.66
  6. Step 6: Final answer
    x = 21,408.68

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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.