Home / 30,755.15-42,441.91-17,330.73

Finding the Fourth Proportional to 30,755.15, 42,441.91 and 17,330.73

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Solution

The fourth proportional to 30,755.15, 42,441.91 and 17,330.73 is: 23,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755.15 : 42,441.91 = 17,330.73 : x
  2. Step 2: Convert to fraction form
    30,755.15/42,441.91 = 17,330.73/x
  3. Step 3: Cross multiply
    30,755.15x = 42,441.91 × 17,330.73
  4. Step 4: Simplify right side
    30,755.15x = 735,549,196.24
  5. Step 5: Solve for x
    x = 735,549,196.24/30,755.15
  6. Step 6: Final answer
    x = 23,916.29

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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.