Home / 43,139.52-64,724.85-15,063.72

Finding the Fourth Proportional to 43,139.52, 64,724.85 and 15,063.72

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Solution

The fourth proportional to 43,139.52, 64,724.85 and 15,063.72 is: 22,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,139.52 : 64,724.85 = 15,063.72 : x
  2. Step 2: Convert to fraction form
    43,139.52/64,724.85 = 15,063.72/x
  3. Step 3: Cross multiply
    43,139.52x = 64,724.85 × 15,063.72
  4. Step 4: Simplify right side
    43,139.52x = 974,997,017.44
  5. Step 5: Solve for x
    x = 974,997,017.44/43,139.52
  6. Step 6: Final answer
    x = 22,601.02

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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.