Home / 40,621.36-60,766.80-34,342.24

Finding the Fourth Proportional to 40,621.36, 60,766.80 and 34,342.24

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Solution

The fourth proportional to 40,621.36, 60,766.80 and 34,342.24 is: 51,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,621.36 : 60,766.80 = 34,342.24 : x
  2. Step 2: Convert to fraction form
    40,621.36/60,766.80 = 34,342.24/x
  3. Step 3: Cross multiply
    40,621.36x = 60,766.80 × 34,342.24
  4. Step 4: Simplify right side
    40,621.36x = 2,086,868,029.63
  5. Step 5: Solve for x
    x = 2,086,868,029.63/40,621.36
  6. Step 6: Final answer
    x = 51,373.66

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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.