Home / 36,030.29-49,715.55-20,919.56

Finding the Fourth Proportional to 36,030.29, 49,715.55 and 20,919.56

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Solution

The fourth proportional to 36,030.29, 49,715.55 and 20,919.56 is: 28,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,030.29 : 49,715.55 = 20,919.56 : x
  2. Step 2: Convert to fraction form
    36,030.29/49,715.55 = 20,919.56/x
  3. Step 3: Cross multiply
    36,030.29x = 49,715.55 × 20,919.56
  4. Step 4: Simplify right side
    36,030.29x = 1,040,027,182.58
  5. Step 5: Solve for x
    x = 1,040,027,182.58/36,030.29
  6. Step 6: Final answer
    x = 28,865.36

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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.