Home / 71,367.29-98,479.68-39,530.24

Finding the Fourth Proportional to 71,367.29, 98,479.68 and 39,530.24

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Solution

The fourth proportional to 71,367.29, 98,479.68 and 39,530.24 is: 54,547.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,367.29 : 98,479.68 = 39,530.24 : x
  2. Step 2: Convert to fraction form
    71,367.29/98,479.68 = 39,530.24/x
  3. Step 3: Cross multiply
    71,367.29x = 98,479.68 × 39,530.24
  4. Step 4: Simplify right side
    71,367.29x = 3,892,925,336.54
  5. Step 5: Solve for x
    x = 3,892,925,336.54/71,367.29
  6. Step 6: Final answer
    x = 54,547.75

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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.