Home / 40,376.60-60,663.44-38,138.57

Finding the Fourth Proportional to 40,376.60, 60,663.44 and 38,138.57

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Solution

The fourth proportional to 40,376.60, 60,663.44 and 38,138.57 is: 57,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,376.60 : 60,663.44 = 38,138.57 : x
  2. Step 2: Convert to fraction form
    40,376.60/60,663.44 = 38,138.57/x
  3. Step 3: Cross multiply
    40,376.60x = 60,663.44 × 38,138.57
  4. Step 4: Simplify right side
    40,376.60x = 2,313,616,644.91
  5. Step 5: Solve for x
    x = 2,313,616,644.91/40,376.60
  6. Step 6: Final answer
    x = 57,300.93

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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.