Home / 51,204.02-76,840.85-31,422.20

Finding the Fourth Proportional to 51,204.02, 76,840.85 and 31,422.20

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Solution

The fourth proportional to 51,204.02, 76,840.85 and 31,422.20 is: 47,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.02 : 76,840.85 = 31,422.20 : x
  2. Step 2: Convert to fraction form
    51,204.02/76,840.85 = 31,422.20/x
  3. Step 3: Cross multiply
    51,204.02x = 76,840.85 × 31,422.20
  4. Step 4: Simplify right side
    51,204.02x = 2,414,508,251.22
  5. Step 5: Solve for x
    x = 2,414,508,251.22/51,204.02
  6. Step 6: Final answer
    x = 47,154.67

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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.