Home / 40,906.24-61,347.48-15,940.72

Finding the Fourth Proportional to 40,906.24, 61,347.48 and 15,940.72

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Solution

The fourth proportional to 40,906.24, 61,347.48 and 15,940.72 is: 23,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,906.24 : 61,347.48 = 15,940.72 : x
  2. Step 2: Convert to fraction form
    40,906.24/61,347.48 = 15,940.72/x
  3. Step 3: Cross multiply
    40,906.24x = 61,347.48 × 15,940.72
  4. Step 4: Simplify right side
    40,906.24x = 977,923,001.39
  5. Step 5: Solve for x
    x = 977,923,001.39/40,906.24
  6. Step 6: Final answer
    x = 23,906.45

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1.5x scale

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.