Home / 52,285.27-78,428.17-12,842.39

Finding the Fourth Proportional to 52,285.27, 78,428.17 and 12,842.39

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Solution

The fourth proportional to 52,285.27, 78,428.17 and 12,842.39 is: 19,263.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.27 : 78,428.17 = 12,842.39 : x
  2. Step 2: Convert to fraction form
    52,285.27/78,428.17 = 12,842.39/x
  3. Step 3: Cross multiply
    52,285.27x = 78,428.17 × 12,842.39
  4. Step 4: Simplify right side
    52,285.27x = 1,007,205,081.91
  5. Step 5: Solve for x
    x = 1,007,205,081.91/52,285.27
  6. Step 6: Final answer
    x = 19,263.65

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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.