Home / 40,244.80-60,367.20-39,985.60

Finding the Fourth Proportional to 40,244.80, 60,367.20 and 39,985.60

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Solution

The fourth proportional to 40,244.80, 60,367.20 and 39,985.60 is: 59,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,244.80 : 60,367.20 = 39,985.60 : x
  2. Step 2: Convert to fraction form
    40,244.80/60,367.20 = 39,985.60/x
  3. Step 3: Cross multiply
    40,244.80x = 60,367.20 × 39,985.60
  4. Step 4: Simplify right side
    40,244.80x = 2,413,818,712.32
  5. Step 5: Solve for x
    x = 2,413,818,712.32/40,244.80
  6. Step 6: Final answer
    x = 59,978.40

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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.