Home / 71,524.09-98,701.36-39,692.17

Finding the Fourth Proportional to 71,524.09, 98,701.36 and 39,692.17

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Solution

The fourth proportional to 71,524.09, 98,701.36 and 39,692.17 is: 54,774.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,524.09 : 98,701.36 = 39,692.17 : x
  2. Step 2: Convert to fraction form
    71,524.09/98,701.36 = 39,692.17/x
  3. Step 3: Cross multiply
    71,524.09x = 98,701.36 × 39,692.17
  4. Step 4: Simplify right side
    71,524.09x = 3,917,671,160.35
  5. Step 5: Solve for x
    x = 3,917,671,160.35/71,524.09
  6. Step 6: Final answer
    x = 54,774.15

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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.