Home / 71,371.02-98,490.69-39,539.22

Finding the Fourth Proportional to 71,371.02, 98,490.69 and 39,539.22

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Solution

The fourth proportional to 71,371.02, 98,490.69 and 39,539.22 is: 54,563.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,371.02 : 98,490.69 = 39,539.22 : x
  2. Step 2: Convert to fraction form
    71,371.02/98,490.69 = 39,539.22/x
  3. Step 3: Cross multiply
    71,371.02x = 98,490.69 × 39,539.22
  4. Step 4: Simplify right side
    71,371.02x = 3,894,245,059.86
  5. Step 5: Solve for x
    x = 3,894,245,059.86/71,371.02
  6. Step 6: Final answer
    x = 54,563.39

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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.