Home / 30,541.11-42,146.24-17,112.33

Finding the Fourth Proportional to 30,541.11, 42,146.24 and 17,112.33

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Solution

The fourth proportional to 30,541.11, 42,146.24 and 17,112.33 is: 23,614.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,541.11 : 42,146.24 = 17,112.33 : x
  2. Step 2: Convert to fraction form
    30,541.11/42,146.24 = 17,112.33/x
  3. Step 3: Cross multiply
    30,541.11x = 42,146.24 × 17,112.33
  4. Step 4: Simplify right side
    30,541.11x = 721,220,281.58
  5. Step 5: Solve for x
    x = 721,220,281.58/30,541.11
  6. Step 6: Final answer
    x = 23,614.74

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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.