Home / 43,139.39-64,637.28-15,043.95

Finding the Fourth Proportional to 43,139.39, 64,637.28 and 15,043.95

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Solution

The fourth proportional to 43,139.39, 64,637.28 and 15,043.95 is: 22,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,139.39 : 64,637.28 = 15,043.95 : x
  2. Step 2: Convert to fraction form
    43,139.39/64,637.28 = 15,043.95/x
  3. Step 3: Cross multiply
    43,139.39x = 64,637.28 × 15,043.95
  4. Step 4: Simplify right side
    43,139.39x = 972,400,008.46
  5. Step 5: Solve for x
    x = 972,400,008.46/43,139.39
  6. Step 6: Final answer
    x = 22,540.89

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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.