Home / 71,264.04-98,340.27-39,431.04

Finding the Fourth Proportional to 71,264.04, 98,340.27 and 39,431.04

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Solution

The fourth proportional to 71,264.04, 98,340.27 and 39,431.04 is: 54,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,264.04 : 98,340.27 = 39,431.04 : x
  2. Step 2: Convert to fraction form
    71,264.04/98,340.27 = 39,431.04/x
  3. Step 3: Cross multiply
    71,264.04x = 98,340.27 × 39,431.04
  4. Step 4: Simplify right side
    71,264.04x = 3,877,659,119.98
  5. Step 5: Solve for x
    x = 3,877,659,119.98/71,264.04
  6. Step 6: Final answer
    x = 54,412.56

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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.