Home / 51,971.60-77,959.20-16,433.30

Finding the Fourth Proportional to 51,971.60, 77,959.20 and 16,433.30

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Solution

The fourth proportional to 51,971.60, 77,959.20 and 16,433.30 is: 24,650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,971.60 : 77,959.20 = 16,433.30 : x
  2. Step 2: Convert to fraction form
    51,971.60/77,959.20 = 16,433.30/x
  3. Step 3: Cross multiply
    51,971.60x = 77,959.20 × 16,433.30
  4. Step 4: Simplify right side
    51,971.60x = 1,281,126,921.36
  5. Step 5: Solve for x
    x = 1,281,126,921.36/51,971.60
  6. Step 6: Final answer
    x = 24,650.52

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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.