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Finding the Fourth Proportional to 36,749.28, 55,124.04 and 9,047.28

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Solution

The fourth proportional to 36,749.28, 55,124.04 and 9,047.28 is: 13,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,749.28 : 55,124.04 = 9,047.28 : x
  2. Step 2: Convert to fraction form
    36,749.28/55,124.04 = 9,047.28/x
  3. Step 3: Cross multiply
    36,749.28x = 55,124.04 × 9,047.28
  4. Step 4: Simplify right side
    36,749.28x = 498,722,624.61
  5. Step 5: Solve for x
    x = 498,722,624.61/36,749.28
  6. Step 6: Final answer
    x = 13,570.95

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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.