Home / 40,415.34-60,622.99-12,335.53

Finding the Fourth Proportional to 40,415.34, 60,622.99 and 12,335.53

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Solution

The fourth proportional to 40,415.34, 60,622.99 and 12,335.53 is: 18,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.34 : 60,622.99 = 12,335.53 : x
  2. Step 2: Convert to fraction form
    40,415.34/60,622.99 = 12,335.53/x
  3. Step 3: Cross multiply
    40,415.34x = 60,622.99 × 12,335.53
  4. Step 4: Simplify right side
    40,415.34x = 747,816,711.83
  5. Step 5: Solve for x
    x = 747,816,711.83/40,415.34
  6. Step 6: Final answer
    x = 18,503.29

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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.