Home / 47,381.28-71,047.08-23,663.40

Finding the Fourth Proportional to 47,381.28, 71,047.08 and 23,663.40

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Solution

The fourth proportional to 47,381.28, 71,047.08 and 23,663.40 is: 35,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,381.28 : 71,047.08 = 23,663.40 : x
  2. Step 2: Convert to fraction form
    47,381.28/71,047.08 = 23,663.40/x
  3. Step 3: Cross multiply
    47,381.28x = 71,047.08 × 23,663.40
  4. Step 4: Simplify right side
    47,381.28x = 1,681,215,472.87
  5. Step 5: Solve for x
    x = 1,681,215,472.87/47,381.28
  6. Step 6: Final answer
    x = 35,482.69

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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.