Home / 51,207.20-76,859.40-31,524.20

Finding the Fourth Proportional to 51,207.20, 76,859.40 and 31,524.20

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Solution

The fourth proportional to 51,207.20, 76,859.40 and 31,524.20 is: 47,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,207.20 : 76,859.40 = 31,524.20 : x
  2. Step 2: Convert to fraction form
    51,207.20/76,859.40 = 31,524.20/x
  3. Step 3: Cross multiply
    51,207.20x = 76,859.40 × 31,524.20
  4. Step 4: Simplify right side
    51,207.20x = 2,422,931,097.48
  5. Step 5: Solve for x
    x = 2,422,931,097.48/51,207.20
  6. Step 6: Final answer
    x = 47,316.22

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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.