Home / 38,688.40-57,958.08-32,830.48

Finding the Fourth Proportional to 38,688.40, 57,958.08 and 32,830.48

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Solution

The fourth proportional to 38,688.40, 57,958.08 and 32,830.48 is: 49,182.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688.40 : 57,958.08 = 32,830.48 : x
  2. Step 2: Convert to fraction form
    38,688.40/57,958.08 = 32,830.48/x
  3. Step 3: Cross multiply
    38,688.40x = 57,958.08 × 32,830.48
  4. Step 4: Simplify right side
    38,688.40x = 1,902,791,586.28
  5. Step 5: Solve for x
    x = 1,902,791,586.28/38,688.40
  6. Step 6: Final answer
    x = 49,182.48

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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.