Home / 38,719.08-58,086.18-13,760.28

Finding the Fourth Proportional to 38,719.08, 58,086.18 and 13,760.28

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Solution

The fourth proportional to 38,719.08, 58,086.18 and 13,760.28 is: 20,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.08 : 58,086.18 = 13,760.28 : x
  2. Step 2: Convert to fraction form
    38,719.08/58,086.18 = 13,760.28/x
  3. Step 3: Cross multiply
    38,719.08x = 58,086.18 × 13,760.28
  4. Step 4: Simplify right side
    38,719.08x = 799,282,100.93
  5. Step 5: Solve for x
    x = 799,282,100.93/38,719.08
  6. Step 6: Final answer
    x = 20,643.11

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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.