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Finding the Fourth Proportional to 43,447.92, 65,177.22 and 15,362.16

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Solution

The fourth proportional to 43,447.92, 65,177.22 and 15,362.16 is: 23,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,447.92 : 65,177.22 = 15,362.16 : x
  2. Step 2: Convert to fraction form
    43,447.92/65,177.22 = 15,362.16/x
  3. Step 3: Cross multiply
    43,447.92x = 65,177.22 × 15,362.16
  4. Step 4: Simplify right side
    43,447.92x = 1,001,262,882.00
  5. Step 5: Solve for x
    x = 1,001,262,882.00/43,447.92
  6. Step 6: Final answer
    x = 23,045.13

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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.