Home / 30,501.38-42,091.71-17,072.57

Finding the Fourth Proportional to 30,501.38, 42,091.71 and 17,072.57

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Solution

The fourth proportional to 30,501.38, 42,091.71 and 17,072.57 is: 23,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501.38 : 42,091.71 = 17,072.57 : x
  2. Step 2: Convert to fraction form
    30,501.38/42,091.71 = 17,072.57/x
  3. Step 3: Cross multiply
    30,501.38x = 42,091.71 × 17,072.57
  4. Step 4: Simplify right side
    30,501.38x = 718,613,665.39
  5. Step 5: Solve for x
    x = 718,613,665.39/30,501.38
  6. Step 6: Final answer
    x = 23,560.04

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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.