Home / 55,006.08-82,479.68-21,724.80

Finding the Fourth Proportional to 55,006.08, 82,479.68 and 21,724.80

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Solution

The fourth proportional to 55,006.08, 82,479.68 and 21,724.80 is: 32,575.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,006.08 : 82,479.68 = 21,724.80 : x
  2. Step 2: Convert to fraction form
    55,006.08/82,479.68 = 21,724.80/x
  3. Step 3: Cross multiply
    55,006.08x = 82,479.68 × 21,724.80
  4. Step 4: Simplify right side
    55,006.08x = 1,791,854,552.06
  5. Step 5: Solve for x
    x = 1,791,854,552.06/55,006.08
  6. Step 6: Final answer
    x = 32,575.57

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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.