Home / 51,985.26-71,738.46-30,764.88

Finding the Fourth Proportional to 51,985.26, 71,738.46 and 30,764.88

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Solution

The fourth proportional to 51,985.26, 71,738.46 and 30,764.88 is: 42,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,985.26 : 71,738.46 = 30,764.88 : x
  2. Step 2: Convert to fraction form
    51,985.26/71,738.46 = 30,764.88/x
  3. Step 3: Cross multiply
    51,985.26x = 71,738.46 × 30,764.88
  4. Step 4: Simplify right side
    51,985.26x = 2,207,025,113.28
  5. Step 5: Solve for x
    x = 2,207,025,113.28/51,985.26
  6. Step 6: Final answer
    x = 42,454.82

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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.