Home / 71,323.22-98,426.05-39,492.12

Finding the Fourth Proportional to 71,323.22, 98,426.05 and 39,492.12

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Solution

The fourth proportional to 71,323.22, 98,426.05 and 39,492.12 is: 54,499.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,323.22 : 98,426.05 = 39,492.12 : x
  2. Step 2: Convert to fraction form
    71,323.22/98,426.05 = 39,492.12/x
  3. Step 3: Cross multiply
    71,323.22x = 98,426.05 × 39,492.12
  4. Step 4: Simplify right side
    71,323.22x = 3,887,053,648.09
  5. Step 5: Solve for x
    x = 3,887,053,648.09/71,323.22
  6. Step 6: Final answer
    x = 54,499.13

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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.