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Finding the Fourth Proportional to 20,036.76, 30,062.01 and 8,951.10

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Solution

The fourth proportional to 20,036.76, 30,062.01 and 8,951.10 is: 13,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.76 : 30,062.01 = 8,951.10 : x
  2. Step 2: Convert to fraction form
    20,036.76/30,062.01 = 8,951.10/x
  3. Step 3: Cross multiply
    20,036.76x = 30,062.01 × 8,951.10
  4. Step 4: Simplify right side
    20,036.76x = 269,088,057.71
  5. Step 5: Solve for x
    x = 269,088,057.71/20,036.76
  6. Step 6: Final answer
    x = 13,429.72

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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.