Home / 71,282.98-98,369.82-39,451.06

Finding the Fourth Proportional to 71,282.98, 98,369.82 and 39,451.06

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Solution

The fourth proportional to 71,282.98, 98,369.82 and 39,451.06 is: 54,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,282.98 : 98,369.82 = 39,451.06 : x
  2. Step 2: Convert to fraction form
    71,282.98/98,369.82 = 39,451.06/x
  3. Step 3: Cross multiply
    71,282.98x = 98,369.82 × 39,451.06
  4. Step 4: Simplify right side
    71,282.98x = 3,880,793,671.01
  5. Step 5: Solve for x
    x = 3,880,793,671.01/71,282.98
  6. Step 6: Final answer
    x = 54,442.08

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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.