Home / 42,619.13-63,957.86-14,917.13

Finding the Fourth Proportional to 42,619.13, 63,957.86 and 14,917.13

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Solution

The fourth proportional to 42,619.13, 63,957.86 and 14,917.13 is: 22,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,619.13 : 63,957.86 = 14,917.13 : x
  2. Step 2: Convert to fraction form
    42,619.13/63,957.86 = 14,917.13/x
  3. Step 3: Cross multiply
    42,619.13x = 63,957.86 × 14,917.13
  4. Step 4: Simplify right side
    42,619.13x = 954,067,317.77
  5. Step 5: Solve for x
    x = 954,067,317.77/42,619.13
  6. Step 6: Final answer
    x = 22,385.90

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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.