Home / 71,036.92-98,031.63-39,205.14

Finding the Fourth Proportional to 71,036.92, 98,031.63 and 39,205.14

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Solution

The fourth proportional to 71,036.92, 98,031.63 and 39,205.14 is: 54,103.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,036.92 : 98,031.63 = 39,205.14 : x
  2. Step 2: Convert to fraction form
    71,036.92/98,031.63 = 39,205.14/x
  3. Step 3: Cross multiply
    71,036.92x = 98,031.63 × 39,205.14
  4. Step 4: Simplify right side
    71,036.92x = 3,843,343,778.58
  5. Step 5: Solve for x
    x = 3,843,343,778.58/71,036.92
  6. Step 6: Final answer
    x = 54,103.47

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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.