Home / 40,180.95-60,281.51-12,100.41

Finding the Fourth Proportional to 40,180.95, 60,281.51 and 12,100.41

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Solution

The fourth proportional to 40,180.95, 60,281.51 and 12,100.41 is: 18,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,180.95 : 60,281.51 = 12,100.41 : x
  2. Step 2: Convert to fraction form
    40,180.95/60,281.51 = 12,100.41/x
  3. Step 3: Cross multiply
    40,180.95x = 60,281.51 × 12,100.41
  4. Step 4: Simplify right side
    40,180.95x = 729,430,925.92
  5. Step 5: Solve for x
    x = 729,430,925.92/40,180.95
  6. Step 6: Final answer
    x = 18,153.65

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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.