Home / 47,520.72-71,297.16-17,947.08

Finding the Fourth Proportional to 47,520.72, 71,297.16 and 17,947.08

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Solution

The fourth proportional to 47,520.72, 71,297.16 and 17,947.08 is: 26,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,520.72 : 71,297.16 = 17,947.08 : x
  2. Step 2: Convert to fraction form
    47,520.72/71,297.16 = 17,947.08/x
  3. Step 3: Cross multiply
    47,520.72x = 71,297.16 × 17,947.08
  4. Step 4: Simplify right side
    47,520.72x = 1,279,575,834.29
  5. Step 5: Solve for x
    x = 1,279,575,834.29/47,520.72
  6. Step 6: Final answer
    x = 26,926.69

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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.