Home / 47,987.68-71,990.16-23,006.56

Finding the Fourth Proportional to 47,987.68, 71,990.16 and 23,006.56

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Solution

The fourth proportional to 47,987.68, 71,990.16 and 23,006.56 is: 34,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,987.68 : 71,990.16 = 23,006.56 : x
  2. Step 2: Convert to fraction form
    47,987.68/71,990.16 = 23,006.56/x
  3. Step 3: Cross multiply
    47,987.68x = 71,990.16 × 23,006.56
  4. Step 4: Simplify right side
    47,987.68x = 1,656,245,935.45
  5. Step 5: Solve for x
    x = 1,656,245,935.45/47,987.68
  6. Step 6: Final answer
    x = 34,513.98

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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.