Home / 38,724.66-58,113.05-13,765.05

Finding the Fourth Proportional to 38,724.66, 58,113.05 and 13,765.05

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Solution

The fourth proportional to 38,724.66, 58,113.05 and 13,765.05 is: 20,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,724.66 : 58,113.05 = 13,765.05 : x
  2. Step 2: Convert to fraction form
    38,724.66/58,113.05 = 13,765.05/x
  3. Step 3: Cross multiply
    38,724.66x = 58,113.05 × 13,765.05
  4. Step 4: Simplify right side
    38,724.66x = 799,928,970.08
  5. Step 5: Solve for x
    x = 799,928,970.08/38,724.66
  6. Step 6: Final answer
    x = 20,656.84

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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.