Home / 40,007.71-55,208.13-22,101.85

Finding the Fourth Proportional to 40,007.71, 55,208.13 and 22,101.85

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Solution

The fourth proportional to 40,007.71, 55,208.13 and 22,101.85 is: 30,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.71 : 55,208.13 = 22,101.85 : x
  2. Step 2: Convert to fraction form
    40,007.71/55,208.13 = 22,101.85/x
  3. Step 3: Cross multiply
    40,007.71x = 55,208.13 × 22,101.85
  4. Step 4: Simplify right side
    40,007.71x = 1,220,201,808.04
  5. Step 5: Solve for x
    x = 1,220,201,808.04/40,007.71
  6. Step 6: Final answer
    x = 30,499.17

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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.