Home / 56,701.68-84,955.32-40,031.88

Finding the Fourth Proportional to 56,701.68, 84,955.32 and 40,031.88

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Solution

The fourth proportional to 56,701.68, 84,955.32 and 40,031.88 is: 59,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,701.68 : 84,955.32 = 40,031.88 : x
  2. Step 2: Convert to fraction form
    56,701.68/84,955.32 = 40,031.88/x
  3. Step 3: Cross multiply
    56,701.68x = 84,955.32 × 40,031.88
  4. Step 4: Simplify right side
    56,701.68x = 3,400,921,175.60
  5. Step 5: Solve for x
    x = 3,400,921,175.60/56,701.68
  6. Step 6: Final answer
    x = 59,979.20

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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.