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Finding the Fourth Proportional to 30,460.59, 45,691.02 and 10,728.45

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Solution

The fourth proportional to 30,460.59, 45,691.02 and 10,728.45 is: 16,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460.59 : 45,691.02 = 10,728.45 : x
  2. Step 2: Convert to fraction form
    30,460.59/45,691.02 = 10,728.45/x
  3. Step 3: Cross multiply
    30,460.59x = 45,691.02 × 10,728.45
  4. Step 4: Simplify right side
    30,460.59x = 490,193,823.52
  5. Step 5: Solve for x
    x = 490,193,823.52/30,460.59
  6. Step 6: Final answer
    x = 16,092.72

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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.