Home / 36,123.98-49,862.66-21,013.76

Finding the Fourth Proportional to 36,123.98, 49,862.66 and 21,013.76

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Solution

The fourth proportional to 36,123.98, 49,862.66 and 21,013.76 is: 29,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.98 : 49,862.66 = 21,013.76 : x
  2. Step 2: Convert to fraction form
    36,123.98/49,862.66 = 21,013.76/x
  3. Step 3: Cross multiply
    36,123.98x = 49,862.66 × 21,013.76
  4. Step 4: Simplify right side
    36,123.98x = 1,047,801,989.79
  5. Step 5: Solve for x
    x = 1,047,801,989.79/36,123.98
  6. Step 6: Final answer
    x = 29,005.72

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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.