Home / 47,981.68-71,981.16-23,000.56

Finding the Fourth Proportional to 47,981.68, 71,981.16 and 23,000.56

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Solution

The fourth proportional to 47,981.68, 71,981.16 and 23,000.56 is: 34,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,981.68 : 71,981.16 = 23,000.56 : x
  2. Step 2: Convert to fraction form
    47,981.68/71,981.16 = 23,000.56/x
  3. Step 3: Cross multiply
    47,981.68x = 71,981.16 × 23,000.56
  4. Step 4: Simplify right side
    47,981.68x = 1,655,606,989.45
  5. Step 5: Solve for x
    x = 1,655,606,989.45/47,981.68
  6. Step 6: Final answer
    x = 34,504.98

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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.