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Finding the Fourth Proportional to 30,373.59, 45,560.78 and 10,652.72

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Solution

The fourth proportional to 30,373.59, 45,560.78 and 10,652.72 is: 15,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,373.59 : 45,560.78 = 10,652.72 : x
  2. Step 2: Convert to fraction form
    30,373.59/45,560.78 = 10,652.72/x
  3. Step 3: Cross multiply
    30,373.59x = 45,560.78 × 10,652.72
  4. Step 4: Simplify right side
    30,373.59x = 485,346,004.52
  5. Step 5: Solve for x
    x = 485,346,004.52/30,373.59
  6. Step 6: Final answer
    x = 15,979.21

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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.