Home / 40,266.90-60,400.35-39,975.30

Finding the Fourth Proportional to 40,266.90, 60,400.35 and 39,975.30

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Solution

The fourth proportional to 40,266.90, 60,400.35 and 39,975.30 is: 59,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266.90 : 60,400.35 = 39,975.30 : x
  2. Step 2: Convert to fraction form
    40,266.90/60,400.35 = 39,975.30/x
  3. Step 3: Cross multiply
    40,266.90x = 60,400.35 × 39,975.30
  4. Step 4: Simplify right side
    40,266.90x = 2,414,522,111.36
  5. Step 5: Solve for x
    x = 2,414,522,111.36/40,266.90
  6. Step 6: Final answer
    x = 59,962.95

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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.