Home / 38,968.04-58,431.16-20,229.20

Finding the Fourth Proportional to 38,968.04, 58,431.16 and 20,229.20

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Solution

The fourth proportional to 38,968.04, 58,431.16 and 20,229.20 is: 30,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968.04 : 58,431.16 = 20,229.20 : x
  2. Step 2: Convert to fraction form
    38,968.04/58,431.16 = 20,229.20/x
  3. Step 3: Cross multiply
    38,968.04x = 58,431.16 × 20,229.20
  4. Step 4: Simplify right side
    38,968.04x = 1,182,015,621.87
  5. Step 5: Solve for x
    x = 1,182,015,621.87/38,968.04
  6. Step 6: Final answer
    x = 30,332.95

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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.