Home / 52,288.07-78,432.17-12,845.18

Finding the Fourth Proportional to 52,288.07, 78,432.17 and 12,845.18

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Solution

The fourth proportional to 52,288.07, 78,432.17 and 12,845.18 is: 19,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,288.07 : 78,432.17 = 12,845.18 : x
  2. Step 2: Convert to fraction form
    52,288.07/78,432.17 = 12,845.18/x
  3. Step 3: Cross multiply
    52,288.07x = 78,432.17 × 12,845.18
  4. Step 4: Simplify right side
    52,288.07x = 1,007,475,473.30
  5. Step 5: Solve for x
    x = 1,007,475,473.30/52,288.07
  6. Step 6: Final answer
    x = 19,267.79

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1.5x scale

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.