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Finding the Fourth Proportional to 44,754.81, 67,132.21 and 21,310.17

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Solution

The fourth proportional to 44,754.81, 67,132.21 and 21,310.17 is: 31,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,754.81 : 67,132.21 = 21,310.17 : x
  2. Step 2: Convert to fraction form
    44,754.81/67,132.21 = 21,310.17/x
  3. Step 3: Cross multiply
    44,754.81x = 67,132.21 × 21,310.17
  4. Step 4: Simplify right side
    44,754.81x = 1,430,598,701.02
  5. Step 5: Solve for x
    x = 1,430,598,701.02/44,754.81
  6. Step 6: Final answer
    x = 31,965.25

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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.