Home / 47,812.56-71,718.18-21,498.66

Finding the Fourth Proportional to 47,812.56, 71,718.18 and 21,498.66

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Solution

The fourth proportional to 47,812.56, 71,718.18 and 21,498.66 is: 32,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,812.56 : 71,718.18 = 21,498.66 : x
  2. Step 2: Convert to fraction form
    47,812.56/71,718.18 = 21,498.66/x
  3. Step 3: Cross multiply
    47,812.56x = 71,718.18 × 21,498.66
  4. Step 4: Simplify right side
    47,812.56x = 1,541,844,767.64
  5. Step 5: Solve for x
    x = 1,541,844,767.64/47,812.56
  6. Step 6: Final answer
    x = 32,247.69

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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.