Home / 40,420.20-60,666.30-23,759.40

Finding the Fourth Proportional to 40,420.20, 60,666.30 and 23,759.40

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Solution

The fourth proportional to 40,420.20, 60,666.30 and 23,759.40 is: 35,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420.20 : 60,666.30 = 23,759.40 : x
  2. Step 2: Convert to fraction form
    40,420.20/60,666.30 = 23,759.40/x
  3. Step 3: Cross multiply
    40,420.20x = 60,666.30 × 23,759.40
  4. Step 4: Simplify right side
    40,420.20x = 1,441,394,888.22
  5. Step 5: Solve for x
    x = 1,441,394,888.22/40,420.20
  6. Step 6: Final answer
    x = 35,660.26

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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.