Home / 71,267.88-98,345.56-39,435.18

Finding the Fourth Proportional to 71,267.88, 98,345.56 and 39,435.18

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Solution

The fourth proportional to 71,267.88, 98,345.56 and 39,435.18 is: 54,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,267.88 : 98,345.56 = 39,435.18 : x
  2. Step 2: Convert to fraction form
    71,267.88/98,345.56 = 39,435.18/x
  3. Step 3: Cross multiply
    71,267.88x = 98,345.56 × 39,435.18
  4. Step 4: Simplify right side
    71,267.88x = 3,878,274,860.80
  5. Step 5: Solve for x
    x = 3,878,274,860.80/71,267.88
  6. Step 6: Final answer
    x = 54,418.27

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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.