Home / 38,867.28-58,262.40-20,168.16

Finding the Fourth Proportional to 38,867.28, 58,262.40 and 20,168.16

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Solution

The fourth proportional to 38,867.28, 58,262.40 and 20,168.16 is: 30,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,867.28 : 58,262.40 = 20,168.16 : x
  2. Step 2: Convert to fraction form
    38,867.28/58,262.40 = 20,168.16/x
  3. Step 3: Cross multiply
    38,867.28x = 58,262.40 × 20,168.16
  4. Step 4: Simplify right side
    38,867.28x = 1,175,045,405.18
  5. Step 5: Solve for x
    x = 1,175,045,405.18/38,867.28
  6. Step 6: Final answer
    x = 30,232.25

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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.