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Finding the Fourth Proportional to 30,264.70, 45,397.05 and 14,712.70

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Solution

The fourth proportional to 30,264.70, 45,397.05 and 14,712.70 is: 22,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,264.70 : 45,397.05 = 14,712.70 : x
  2. Step 2: Convert to fraction form
    30,264.70/45,397.05 = 14,712.70/x
  3. Step 3: Cross multiply
    30,264.70x = 45,397.05 × 14,712.70
  4. Step 4: Simplify right side
    30,264.70x = 667,913,177.54
  5. Step 5: Solve for x
    x = 667,913,177.54/30,264.70
  6. Step 6: Final answer
    x = 22,069.05

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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.