Home / 40,085.98-55,318.75-22,182.21

Finding the Fourth Proportional to 40,085.98, 55,318.75 and 22,182.21

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Solution

The fourth proportional to 40,085.98, 55,318.75 and 22,182.21 is: 30,611.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,085.98 : 55,318.75 = 22,182.21 : x
  2. Step 2: Convert to fraction form
    40,085.98/55,318.75 = 22,182.21/x
  3. Step 3: Cross multiply
    40,085.98x = 55,318.75 × 22,182.21
  4. Step 4: Simplify right side
    40,085.98x = 1,227,092,073.98
  5. Step 5: Solve for x
    x = 1,227,092,073.98/40,085.98
  6. Step 6: Final answer
    x = 30,611.50

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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.