Home / 83,224.19-124,824-30,621.44

Finding the Fourth Proportional to 83,224.19, 124,824 and 30,621.44

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Solution

The fourth proportional to 83,224.19, 124,824 and 30,621.44 is: 45,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,224.19 : 124,824 = 30,621.44 : x
  2. Step 2: Convert to fraction form
    83,224.19/124,824 = 30,621.44/x
  3. Step 3: Cross multiply
    83,224.19x = 124,824 × 30,621.44
  4. Step 4: Simplify right side
    83,224.19x = 3,822,290,626.56
  5. Step 5: Solve for x
    x = 3,822,290,626.56/83,224.19
  6. Step 6: Final answer
    x = 45,927.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.