Home / 36,331.74-54,511.45-12,641.92

Finding the Fourth Proportional to 36,331.74, 54,511.45 and 12,641.92

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Solution

The fourth proportional to 36,331.74, 54,511.45 and 12,641.92 is: 18,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,331.74 : 54,511.45 = 12,641.92 : x
  2. Step 2: Convert to fraction form
    36,331.74/54,511.45 = 12,641.92/x
  3. Step 3: Cross multiply
    36,331.74x = 54,511.45 × 12,641.92
  4. Step 4: Simplify right side
    36,331.74x = 689,129,222.10
  5. Step 5: Solve for x
    x = 689,129,222.10/36,331.74
  6. Step 6: Final answer
    x = 18,967.69

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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.