Home / 30,382.08-41,998.08-29,141.76

Finding the Fourth Proportional to 30,382.08, 41,998.08 and 29,141.76

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Solution

The fourth proportional to 30,382.08, 41,998.08 and 29,141.76 is: 40,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.08 : 41,998.08 = 29,141.76 : x
  2. Step 2: Convert to fraction form
    30,382.08/41,998.08 = 29,141.76/x
  3. Step 3: Cross multiply
    30,382.08x = 41,998.08 × 29,141.76
  4. Step 4: Simplify right side
    30,382.08x = 1,223,897,967.82
  5. Step 5: Solve for x
    x = 1,223,897,967.82/30,382.08
  6. Step 6: Final answer
    x = 40,283.55

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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.