Home / 47,496.55-71,264.46-20,828.74

Finding the Fourth Proportional to 47,496.55, 71,264.46 and 20,828.74

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Solution

The fourth proportional to 47,496.55, 71,264.46 and 20,828.74 is: 31,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,496.55 : 71,264.46 = 20,828.74 : x
  2. Step 2: Convert to fraction form
    47,496.55/71,264.46 = 20,828.74/x
  3. Step 3: Cross multiply
    47,496.55x = 71,264.46 × 20,828.74
  4. Step 4: Simplify right side
    47,496.55x = 1,484,348,908.58
  5. Step 5: Solve for x
    x = 1,484,348,908.58/47,496.55
  6. Step 6: Final answer
    x = 31,251.72

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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.