Home / 30,166.71-45,251.28-14,363.61

Finding the Fourth Proportional to 30,166.71, 45,251.28 and 14,363.61

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Solution

The fourth proportional to 30,166.71, 45,251.28 and 14,363.61 is: 21,545.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.71 : 45,251.28 = 14,363.61 : x
  2. Step 2: Convert to fraction form
    30,166.71/45,251.28 = 14,363.61/x
  3. Step 3: Cross multiply
    30,166.71x = 45,251.28 × 14,363.61
  4. Step 4: Simplify right side
    30,166.71x = 649,971,737.92
  5. Step 5: Solve for x
    x = 649,971,737.92/30,166.71
  6. Step 6: Final answer
    x = 21,545.99

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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.