Home / 36,299.72-50,089.88-20,384.04

Finding the Fourth Proportional to 36,299.72, 50,089.88 and 20,384.04

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Solution

The fourth proportional to 36,299.72, 50,089.88 and 20,384.04 is: 28,127.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,299.72 : 50,089.88 = 20,384.04 : x
  2. Step 2: Convert to fraction form
    36,299.72/50,089.88 = 20,384.04/x
  3. Step 3: Cross multiply
    36,299.72x = 50,089.88 × 20,384.04
  4. Step 4: Simplify right side
    36,299.72x = 1,021,034,117.52
  5. Step 5: Solve for x
    x = 1,021,034,117.52/36,299.72
  6. Step 6: Final answer
    x = 28,127.88

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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.