Home / 51,573.20-71,175.56-30,359.12

Finding the Fourth Proportional to 51,573.20, 71,175.56 and 30,359.12

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Solution

The fourth proportional to 51,573.20, 71,175.56 and 30,359.12 is: 41,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,573.20 : 71,175.56 = 30,359.12 : x
  2. Step 2: Convert to fraction form
    51,573.20/71,175.56 = 30,359.12/x
  3. Step 3: Cross multiply
    51,573.20x = 71,175.56 × 30,359.12
  4. Step 4: Simplify right side
    51,573.20x = 2,160,827,367.11
  5. Step 5: Solve for x
    x = 2,160,827,367.11/51,573.20
  6. Step 6: Final answer
    x = 41,898.26

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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.