Home / 30,593.85-42,220.17-17,166.08

Finding the Fourth Proportional to 30,593.85, 42,220.17 and 17,166.08

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Solution

The fourth proportional to 30,593.85, 42,220.17 and 17,166.08 is: 23,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,593.85 : 42,220.17 = 17,166.08 : x
  2. Step 2: Convert to fraction form
    30,593.85/42,220.17 = 17,166.08/x
  3. Step 3: Cross multiply
    30,593.85x = 42,220.17 × 17,166.08
  4. Step 4: Simplify right side
    30,593.85x = 724,754,815.83
  5. Step 5: Solve for x
    x = 724,754,815.83/30,593.85
  6. Step 6: Final answer
    x = 23,689.56

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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.