Home / 42,291.72-63,444.90-14,214.52

Finding the Fourth Proportional to 42,291.72, 63,444.90 and 14,214.52

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Solution

The fourth proportional to 42,291.72, 63,444.90 and 14,214.52 is: 21,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,291.72 : 63,444.90 = 14,214.52 : x
  2. Step 2: Convert to fraction form
    42,291.72/63,444.90 = 14,214.52/x
  3. Step 3: Cross multiply
    42,291.72x = 63,444.90 × 14,214.52
  4. Step 4: Simplify right side
    42,291.72x = 901,838,799.95
  5. Step 5: Solve for x
    x = 901,838,799.95/42,291.72
  6. Step 6: Final answer
    x = 21,324.24

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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.