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Finding the Fourth Proportional to 44,892.70, 67,298 and 19,937.72

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Solution

The fourth proportional to 44,892.70, 67,298 and 19,937.72 is: 29,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,892.70 : 67,298 = 19,937.72 : x
  2. Step 2: Convert to fraction form
    44,892.70/67,298 = 19,937.72/x
  3. Step 3: Cross multiply
    44,892.70x = 67,298 × 19,937.72
  4. Step 4: Simplify right side
    44,892.70x = 1,341,768,680.56
  5. Step 5: Solve for x
    x = 1,341,768,680.56/44,892.70
  6. Step 6: Final answer
    x = 29,888.35

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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.