Home / 47,711.52-71,568-16,547.76

Finding the Fourth Proportional to 47,711.52, 71,568 and 16,547.76

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Solution

The fourth proportional to 47,711.52, 71,568 and 16,547.76 is: 24,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711.52 : 71,568 = 16,547.76 : x
  2. Step 2: Convert to fraction form
    47,711.52/71,568 = 16,547.76/x
  3. Step 3: Cross multiply
    47,711.52x = 71,568 × 16,547.76
  4. Step 4: Simplify right side
    47,711.52x = 1,184,290,087.68
  5. Step 5: Solve for x
    x = 1,184,290,087.68/47,711.52
  6. Step 6: Final answer
    x = 24,821.89

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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.