Home / 51,947.32-71,691.70-29,290.68

Finding the Fourth Proportional to 51,947.32, 71,691.70 and 29,290.68

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Solution

The fourth proportional to 51,947.32, 71,691.70 and 29,290.68 is: 40,423.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,947.32 : 71,691.70 = 29,290.68 : x
  2. Step 2: Convert to fraction form
    51,947.32/71,691.70 = 29,290.68/x
  3. Step 3: Cross multiply
    51,947.32x = 71,691.70 × 29,290.68
  4. Step 4: Simplify right side
    51,947.32x = 2,099,898,643.36
  5. Step 5: Solve for x
    x = 2,099,898,643.36/51,947.32
  6. Step 6: Final answer
    x = 40,423.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.