Home / 40,084.68-55,316.61-22,179.36

Finding the Fourth Proportional to 40,084.68, 55,316.61 and 22,179.36

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Solution

The fourth proportional to 40,084.68, 55,316.61 and 22,179.36 is: 30,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,084.68 : 55,316.61 = 22,179.36 : x
  2. Step 2: Convert to fraction form
    40,084.68/55,316.61 = 22,179.36/x
  3. Step 3: Cross multiply
    40,084.68x = 55,316.61 × 22,179.36
  4. Step 4: Simplify right side
    40,084.68x = 1,226,887,007.17
  5. Step 5: Solve for x
    x = 1,226,887,007.17/40,084.68
  6. Step 6: Final answer
    x = 30,607.38

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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.