Home / 36,177.34-49,915.71-20,868.57

Finding the Fourth Proportional to 36,177.34, 49,915.71 and 20,868.57

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Solution

The fourth proportional to 36,177.34, 49,915.71 and 20,868.57 is: 28,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,177.34 : 49,915.71 = 20,868.57 : x
  2. Step 2: Convert to fraction form
    36,177.34/49,915.71 = 20,868.57/x
  3. Step 3: Cross multiply
    36,177.34x = 49,915.71 × 20,868.57
  4. Step 4: Simplify right side
    36,177.34x = 1,041,669,488.23
  5. Step 5: Solve for x
    x = 1,041,669,488.23/36,177.34
  6. Step 6: Final answer
    x = 28,793.42

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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.