Home / 40,166.90-55,428.90-22,263.57

Finding the Fourth Proportional to 40,166.90, 55,428.90 and 22,263.57

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Solution

The fourth proportional to 40,166.90, 55,428.90 and 22,263.57 is: 30,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,166.90 : 55,428.90 = 22,263.57 : x
  2. Step 2: Convert to fraction form
    40,166.90/55,428.90 = 22,263.57/x
  3. Step 3: Cross multiply
    40,166.90x = 55,428.90 × 22,263.57
  4. Step 4: Simplify right side
    40,166.90x = 1,234,045,195.17
  5. Step 5: Solve for x
    x = 1,234,045,195.17/40,166.90
  6. Step 6: Final answer
    x = 30,722.94

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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.