Home / 38,358.76-57,551.94-13,402.48

Finding the Fourth Proportional to 38,358.76, 57,551.94 and 13,402.48

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Solution

The fourth proportional to 38,358.76, 57,551.94 and 13,402.48 is: 20,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358.76 : 57,551.94 = 13,402.48 : x
  2. Step 2: Convert to fraction form
    38,358.76/57,551.94 = 13,402.48/x
  3. Step 3: Cross multiply
    38,358.76x = 57,551.94 × 13,402.48
  4. Step 4: Simplify right side
    38,358.76x = 771,338,724.81
  5. Step 5: Solve for x
    x = 771,338,724.81/38,358.76
  6. Step 6: Final answer
    x = 20,108.54

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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.