Home / 38,522.16-57,780.72-12,228.48

Finding the Fourth Proportional to 38,522.16, 57,780.72 and 12,228.48

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Solution

The fourth proportional to 38,522.16, 57,780.72 and 12,228.48 is: 18,341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,522.16 : 57,780.72 = 12,228.48 : x
  2. Step 2: Convert to fraction form
    38,522.16/57,780.72 = 12,228.48/x
  3. Step 3: Cross multiply
    38,522.16x = 57,780.72 × 12,228.48
  4. Step 4: Simplify right side
    38,522.16x = 706,570,378.91
  5. Step 5: Solve for x
    x = 706,570,378.91/38,522.16
  6. Step 6: Final answer
    x = 18,341.92

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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.