Home / 36,041.28-49,731.75-21,891.39

Finding the Fourth Proportional to 36,041.28, 49,731.75 and 21,891.39

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Solution

The fourth proportional to 36,041.28, 49,731.75 and 21,891.39 is: 30,206.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,041.28 : 49,731.75 = 21,891.39 : x
  2. Step 2: Convert to fraction form
    36,041.28/49,731.75 = 21,891.39/x
  3. Step 3: Cross multiply
    36,041.28x = 49,731.75 × 21,891.39
  4. Step 4: Simplify right side
    36,041.28x = 1,088,697,134.63
  5. Step 5: Solve for x
    x = 1,088,697,134.63/36,041.28
  6. Step 6: Final answer
    x = 30,206.95

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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.