Home / 71,372.02-98,492.07-39,540.22

Finding the Fourth Proportional to 71,372.02, 98,492.07 and 39,540.22

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Solution

The fourth proportional to 71,372.02, 98,492.07 and 39,540.22 is: 54,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,372.02 : 98,492.07 = 39,540.22 : x
  2. Step 2: Convert to fraction form
    71,372.02/98,492.07 = 39,540.22/x
  3. Step 3: Cross multiply
    71,372.02x = 98,492.07 × 39,540.22
  4. Step 4: Simplify right side
    71,372.02x = 3,894,398,116.06
  5. Step 5: Solve for x
    x = 3,894,398,116.06/71,372.02
  6. Step 6: Final answer
    x = 54,564.77

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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.