Home / 30,581.35-42,204.36-17,153.47

Finding the Fourth Proportional to 30,581.35, 42,204.36 and 17,153.47

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Solution

The fourth proportional to 30,581.35, 42,204.36 and 17,153.47 is: 23,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581.35 : 42,204.36 = 17,153.47 : x
  2. Step 2: Convert to fraction form
    30,581.35/42,204.36 = 17,153.47/x
  3. Step 3: Cross multiply
    30,581.35x = 42,204.36 × 17,153.47
  4. Step 4: Simplify right side
    30,581.35x = 723,951,340.21
  5. Step 5: Solve for x
    x = 723,951,340.21/30,581.35
  6. Step 6: Final answer
    x = 23,672.97

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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.