Home / 40,378.94-60,154.03-38,557.30

Finding the Fourth Proportional to 40,378.94, 60,154.03 and 38,557.30

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Solution

The fourth proportional to 40,378.94, 60,154.03 and 38,557.30 is: 57,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.94 : 60,154.03 = 38,557.30 : x
  2. Step 2: Convert to fraction form
    40,378.94/60,154.03 = 38,557.30/x
  3. Step 3: Cross multiply
    40,378.94x = 60,154.03 × 38,557.30
  4. Step 4: Simplify right side
    40,378.94x = 2,319,377,099.96
  5. Step 5: Solve for x
    x = 2,319,377,099.96/40,378.94
  6. Step 6: Final answer
    x = 57,440.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.