Home / 36,290.92-50,079.78-21,384.04

Finding the Fourth Proportional to 36,290.92, 50,079.78 and 21,384.04

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Solution

The fourth proportional to 36,290.92, 50,079.78 and 21,384.04 is: 29,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290.92 : 50,079.78 = 21,384.04 : x
  2. Step 2: Convert to fraction form
    36,290.92/50,079.78 = 21,384.04/x
  3. Step 3: Cross multiply
    36,290.92x = 50,079.78 × 21,384.04
  4. Step 4: Simplify right side
    36,290.92x = 1,070,908,018.71
  5. Step 5: Solve for x
    x = 1,070,908,018.71/36,290.92
  6. Step 6: Final answer
    x = 29,508.98

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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.