Home / 47,913.24-66,180.36-40,384.56

Finding the Fourth Proportional to 47,913.24, 66,180.36 and 40,384.56

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Solution

The fourth proportional to 47,913.24, 66,180.36 and 40,384.56 is: 55,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,913.24 : 66,180.36 = 40,384.56 : x
  2. Step 2: Convert to fraction form
    47,913.24/66,180.36 = 40,384.56/x
  3. Step 3: Cross multiply
    47,913.24x = 66,180.36 × 40,384.56
  4. Step 4: Simplify right side
    47,913.24x = 2,672,664,719.24
  5. Step 5: Solve for x
    x = 2,672,664,719.24/47,913.24
  6. Step 6: Final answer
    x = 55,781.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.