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Finding the Fourth Proportional to 44,642.52, 66,939.48 and 13,473.72

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Solution

The fourth proportional to 44,642.52, 66,939.48 and 13,473.72 is: 20,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,642.52 : 66,939.48 = 13,473.72 : x
  2. Step 2: Convert to fraction form
    44,642.52/66,939.48 = 13,473.72/x
  3. Step 3: Cross multiply
    44,642.52x = 66,939.48 × 13,473.72
  4. Step 4: Simplify right side
    44,642.52x = 901,923,810.47
  5. Step 5: Solve for x
    x = 901,923,810.47/44,642.52
  6. Step 6: Final answer
    x = 20,203.25

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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.