Home / 30,755.03-42,441.75-17,330.60

Finding the Fourth Proportional to 30,755.03, 42,441.75 and 17,330.60

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Solution

The fourth proportional to 30,755.03, 42,441.75 and 17,330.60 is: 23,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755.03 : 42,441.75 = 17,330.60 : x
  2. Step 2: Convert to fraction form
    30,755.03/42,441.75 = 17,330.60/x
  3. Step 3: Cross multiply
    30,755.03x = 42,441.75 × 17,330.60
  4. Step 4: Simplify right side
    30,755.03x = 735,541,098.65
  5. Step 5: Solve for x
    x = 735,541,098.65/30,755.03
  6. Step 6: Final answer
    x = 23,916.13

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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.