Home / 47,952.75-71,929.13-15,120.75

Finding the Fourth Proportional to 47,952.75, 71,929.13 and 15,120.75

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Solution

The fourth proportional to 47,952.75, 71,929.13 and 15,120.75 is: 22,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,952.75 : 71,929.13 = 15,120.75 : x
  2. Step 2: Convert to fraction form
    47,952.75/71,929.13 = 15,120.75/x
  3. Step 3: Cross multiply
    47,952.75x = 71,929.13 × 15,120.75
  4. Step 4: Simplify right side
    47,952.75x = 1,087,622,316.84
  5. Step 5: Solve for x
    x = 1,087,622,316.84/47,952.75
  6. Step 6: Final answer
    x = 22,681.13

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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.