Home / 51,888.76-71,615.82-40,691.32

Finding the Fourth Proportional to 51,888.76, 71,615.82 and 40,691.32

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Solution

The fourth proportional to 51,888.76, 71,615.82 and 40,691.32 is: 56,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,888.76 : 71,615.82 = 40,691.32 : x
  2. Step 2: Convert to fraction form
    51,888.76/71,615.82 = 40,691.32/x
  3. Step 3: Cross multiply
    51,888.76x = 71,615.82 × 40,691.32
  4. Step 4: Simplify right side
    51,888.76x = 2,914,142,248.68
  5. Step 5: Solve for x
    x = 2,914,142,248.68/51,888.76
  6. Step 6: Final answer
    x = 56,161.34

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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.