Home / 51,507.60-77,270.10-15,960.78

Finding the Fourth Proportional to 51,507.60, 77,270.10 and 15,960.78

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Solution

The fourth proportional to 51,507.60, 77,270.10 and 15,960.78 is: 23,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,507.60 : 77,270.10 = 15,960.78 : x
  2. Step 2: Convert to fraction form
    51,507.60/77,270.10 = 15,960.78/x
  3. Step 3: Cross multiply
    51,507.60x = 77,270.10 × 15,960.78
  4. Step 4: Simplify right side
    51,507.60x = 1,233,291,066.68
  5. Step 5: Solve for x
    x = 1,233,291,066.68/51,507.60
  6. Step 6: Final answer
    x = 23,943.87

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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.