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Finding the Fourth Proportional to 44,291.56, 66,143.73 and 38,926.12

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Solution

The fourth proportional to 44,291.56, 66,143.73 and 38,926.12 is: 58,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,291.56 : 66,143.73 = 38,926.12 : x
  2. Step 2: Convert to fraction form
    44,291.56/66,143.73 = 38,926.12/x
  3. Step 3: Cross multiply
    44,291.56x = 66,143.73 × 38,926.12
  4. Step 4: Simplify right side
    44,291.56x = 2,574,718,771.23
  5. Step 5: Solve for x
    x = 2,574,718,771.23/44,291.56
  6. Step 6: Final answer
    x = 58,131.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.