Home / 40,290.48-60,455.52-18,119.52

Finding the Fourth Proportional to 40,290.48, 60,455.52 and 18,119.52

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Solution

The fourth proportional to 40,290.48, 60,455.52 and 18,119.52 is: 27,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,290.48 : 60,455.52 = 18,119.52 : x
  2. Step 2: Convert to fraction form
    40,290.48/60,455.52 = 18,119.52/x
  3. Step 3: Cross multiply
    40,290.48x = 60,455.52 × 18,119.52
  4. Step 4: Simplify right side
    40,290.48x = 1,095,425,003.75
  5. Step 5: Solve for x
    x = 1,095,425,003.75/40,290.48
  6. Step 6: Final answer
    x = 27,188.18

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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.