Home / 30,486.28-42,073.32-17,058.88

Finding the Fourth Proportional to 30,486.28, 42,073.32 and 17,058.88

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Solution

The fourth proportional to 30,486.28, 42,073.32 and 17,058.88 is: 23,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,486.28 : 42,073.32 = 17,058.88 : x
  2. Step 2: Convert to fraction form
    30,486.28/42,073.32 = 17,058.88/x
  3. Step 3: Cross multiply
    30,486.28x = 42,073.32 × 17,058.88
  4. Step 4: Simplify right side
    30,486.28x = 717,723,717.08
  5. Step 5: Solve for x
    x = 717,723,717.08/30,486.28
  6. Step 6: Final answer
    x = 23,542.52

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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.