Home / 30,502.30-42,093.16-17,073.55

Finding the Fourth Proportional to 30,502.30, 42,093.16 and 17,073.55

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Solution

The fourth proportional to 30,502.30, 42,093.16 and 17,073.55 is: 23,561.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,502.30 : 42,093.16 = 17,073.55 : x
  2. Step 2: Convert to fraction form
    30,502.30/42,093.16 = 17,073.55/x
  3. Step 3: Cross multiply
    30,502.30x = 42,093.16 × 17,073.55
  4. Step 4: Simplify right side
    30,502.30x = 718,679,671.92
  5. Step 5: Solve for x
    x = 718,679,671.92/30,502.30
  6. Step 6: Final answer
    x = 23,561.49

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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.