Home / 38,963.32-58,459.55-20,231.67

Finding the Fourth Proportional to 38,963.32, 58,459.55 and 20,231.67

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Solution

The fourth proportional to 38,963.32, 58,459.55 and 20,231.67 is: 30,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,963.32 : 58,459.55 = 20,231.67 : x
  2. Step 2: Convert to fraction form
    38,963.32/58,459.55 = 20,231.67/x
  3. Step 3: Cross multiply
    38,963.32x = 58,459.55 × 20,231.67
  4. Step 4: Simplify right side
    38,963.32x = 1,182,733,930.49
  5. Step 5: Solve for x
    x = 1,182,733,930.49/38,963.32
  6. Step 6: Final answer
    x = 30,355.06

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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.