Home / 40,388.49-60,584.76-15,430.70

Finding the Fourth Proportional to 40,388.49, 60,584.76 and 15,430.70

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Solution

The fourth proportional to 40,388.49, 60,584.76 and 15,430.70 is: 23,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,388.49 : 60,584.76 = 15,430.70 : x
  2. Step 2: Convert to fraction form
    40,388.49/60,584.76 = 15,430.70/x
  3. Step 3: Cross multiply
    40,388.49x = 60,584.76 × 15,430.70
  4. Step 4: Simplify right side
    40,388.49x = 934,864,953.21
  5. Step 5: Solve for x
    x = 934,864,953.21/40,388.49
  6. Step 6: Final answer
    x = 23,146.82

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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.