Home / 38,784.20-58,176.30-11,082.20

Finding the Fourth Proportional to 38,784.20, 58,176.30 and 11,082.20

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Solution

The fourth proportional to 38,784.20, 58,176.30 and 11,082.20 is: 16,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784.20 : 58,176.30 = 11,082.20 : x
  2. Step 2: Convert to fraction form
    38,784.20/58,176.30 = 11,082.20/x
  3. Step 3: Cross multiply
    38,784.20x = 58,176.30 × 11,082.20
  4. Step 4: Simplify right side
    38,784.20x = 644,721,391.86
  5. Step 5: Solve for x
    x = 644,721,391.86/38,784.20
  6. Step 6: Final answer
    x = 16,623.30

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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.