Home / 37,640.24-51,941.76-20,872.88

Finding the Fourth Proportional to 37,640.24, 51,941.76 and 20,872.88

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Solution

The fourth proportional to 37,640.24, 51,941.76 and 20,872.88 is: 28,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,640.24 : 51,941.76 = 20,872.88 : x
  2. Step 2: Convert to fraction form
    37,640.24/51,941.76 = 20,872.88/x
  3. Step 3: Cross multiply
    37,640.24x = 51,941.76 × 20,872.88
  4. Step 4: Simplify right side
    37,640.24x = 1,084,174,123.47
  5. Step 5: Solve for x
    x = 1,084,174,123.47/37,640.24
  6. Step 6: Final answer
    x = 28,803.59

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1.5x scale

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.