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Finding the Fourth Proportional to 44,328.60, 66,476.70 and 14,747.40

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Solution

The fourth proportional to 44,328.60, 66,476.70 and 14,747.40 is: 22,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,328.60 : 66,476.70 = 14,747.40 : x
  2. Step 2: Convert to fraction form
    44,328.60/66,476.70 = 14,747.40/x
  3. Step 3: Cross multiply
    44,328.60x = 66,476.70 × 14,747.40
  4. Step 4: Simplify right side
    44,328.60x = 980,358,485.58
  5. Step 5: Solve for x
    x = 980,358,485.58/44,328.60
  6. Step 6: Final answer
    x = 22,115.71

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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.