Home / 38,800.66-58,191.78-10,720.10

Finding the Fourth Proportional to 38,800.66, 58,191.78 and 10,720.10

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Solution

The fourth proportional to 38,800.66, 58,191.78 and 10,720.10 is: 16,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,800.66 : 58,191.78 = 10,720.10 : x
  2. Step 2: Convert to fraction form
    38,800.66/58,191.78 = 10,720.10/x
  3. Step 3: Cross multiply
    38,800.66x = 58,191.78 × 10,720.10
  4. Step 4: Simplify right side
    38,800.66x = 623,821,700.78
  5. Step 5: Solve for x
    x = 623,821,700.78/38,800.66
  6. Step 6: Final answer
    x = 16,077.61

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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.