Home / 40,100.76-60,159.24-13,806.54

Finding the Fourth Proportional to 40,100.76, 60,159.24 and 13,806.54

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Solution

The fourth proportional to 40,100.76, 60,159.24 and 13,806.54 is: 20,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,100.76 : 60,159.24 = 13,806.54 : x
  2. Step 2: Convert to fraction form
    40,100.76/60,159.24 = 13,806.54/x
  3. Step 3: Cross multiply
    40,100.76x = 60,159.24 × 13,806.54
  4. Step 4: Simplify right side
    40,100.76x = 830,590,953.43
  5. Step 5: Solve for x
    x = 830,590,953.43/40,100.76
  6. Step 6: Final answer
    x = 20,712.60

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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.