Home / 71,532.30-98,712.57-39,266.91

Finding the Fourth Proportional to 71,532.30, 98,712.57 and 39,266.91

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Solution

The fourth proportional to 71,532.30, 98,712.57 and 39,266.91 is: 54,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,532.30 : 98,712.57 = 39,266.91 : x
  2. Step 2: Convert to fraction form
    71,532.30/98,712.57 = 39,266.91/x
  3. Step 3: Cross multiply
    71,532.30x = 98,712.57 × 39,266.91
  4. Step 4: Simplify right side
    71,532.30x = 3,876,137,602.06
  5. Step 5: Solve for x
    x = 3,876,137,602.06/71,532.30
  6. Step 6: Final answer
    x = 54,187.24

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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.