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Finding the Fourth Proportional to 47,143.68, 65,057.04 and 25,923.12

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Solution

The fourth proportional to 47,143.68, 65,057.04 and 25,923.12 is: 35,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,143.68 : 65,057.04 = 25,923.12 : x
  2. Step 2: Convert to fraction form
    47,143.68/65,057.04 = 25,923.12/x
  3. Step 3: Cross multiply
    47,143.68x = 65,057.04 × 25,923.12
  4. Step 4: Simplify right side
    47,143.68x = 1,686,481,454.76
  5. Step 5: Solve for x
    x = 1,686,481,454.76/47,143.68
  6. Step 6: Final answer
    x = 35,773.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.