Home / 40,140.40-60,220.20-19,346.80

Finding the Fourth Proportional to 40,140.40, 60,220.20 and 19,346.80

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Solution

The fourth proportional to 40,140.40, 60,220.20 and 19,346.80 is: 29,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140.40 : 60,220.20 = 19,346.80 : x
  2. Step 2: Convert to fraction form
    40,140.40/60,220.20 = 19,346.80/x
  3. Step 3: Cross multiply
    40,140.40x = 60,220.20 × 19,346.80
  4. Step 4: Simplify right side
    40,140.40x = 1,165,068,165.36
  5. Step 5: Solve for x
    x = 1,165,068,165.36/40,140.40
  6. Step 6: Final answer
    x = 29,024.83

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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.