Home / 38,479.55-57,615.06-19,972.67

Finding the Fourth Proportional to 38,479.55, 57,615.06 and 19,972.67

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Solution

The fourth proportional to 38,479.55, 57,615.06 and 19,972.67 is: 29,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479.55 : 57,615.06 = 19,972.67 : x
  2. Step 2: Convert to fraction form
    38,479.55/57,615.06 = 19,972.67/x
  3. Step 3: Cross multiply
    38,479.55x = 57,615.06 × 19,972.67
  4. Step 4: Simplify right side
    38,479.55x = 1,150,726,580.41
  5. Step 5: Solve for x
    x = 1,150,726,580.41/38,479.55
  6. Step 6: Final answer
    x = 29,904.89

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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.