Home / 36,113.28-49,836.45-20,196.71

Finding the Fourth Proportional to 36,113.28, 49,836.45 and 20,196.71

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Solution

The fourth proportional to 36,113.28, 49,836.45 and 20,196.71 is: 27,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,113.28 : 49,836.45 = 20,196.71 : x
  2. Step 2: Convert to fraction form
    36,113.28/49,836.45 = 20,196.71/x
  3. Step 3: Cross multiply
    36,113.28x = 49,836.45 × 20,196.71
  4. Step 4: Simplify right side
    36,113.28x = 1,006,532,341.52
  5. Step 5: Solve for x
    x = 1,006,532,341.52/36,113.28
  6. Step 6: Final answer
    x = 27,871.53

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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.