Home / 53,545.40-80,318.10-32,809.40

Finding the Fourth Proportional to 53,545.40, 80,318.10 and 32,809.40

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Solution

The fourth proportional to 53,545.40, 80,318.10 and 32,809.40 is: 49,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,545.40 : 80,318.10 = 32,809.40 : x
  2. Step 2: Convert to fraction form
    53,545.40/80,318.10 = 32,809.40/x
  3. Step 3: Cross multiply
    53,545.40x = 80,318.10 × 32,809.40
  4. Step 4: Simplify right side
    53,545.40x = 2,635,188,670.14
  5. Step 5: Solve for x
    x = 2,635,188,670.14/53,545.40
  6. Step 6: Final answer
    x = 49,214.10

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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.