Home / 34,387.18-47,456.58-19,280.83

Finding the Fourth Proportional to 34,387.18, 47,456.58 and 19,280.83

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Solution

The fourth proportional to 34,387.18, 47,456.58 and 19,280.83 is: 26,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,387.18 : 47,456.58 = 19,280.83 : x
  2. Step 2: Convert to fraction form
    34,387.18/47,456.58 = 19,280.83/x
  3. Step 3: Cross multiply
    34,387.18x = 47,456.58 × 19,280.83
  4. Step 4: Simplify right side
    34,387.18x = 915,002,251.36
  5. Step 5: Solve for x
    x = 915,002,251.36/34,387.18
  6. Step 6: Final answer
    x = 26,608.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.