Home / 30,593.11-42,219.13-17,165.33

Finding the Fourth Proportional to 30,593.11, 42,219.13 and 17,165.33

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Solution

The fourth proportional to 30,593.11, 42,219.13 and 17,165.33 is: 23,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,593.11 : 42,219.13 = 17,165.33 : x
  2. Step 2: Convert to fraction form
    30,593.11/42,219.13 = 17,165.33/x
  3. Step 3: Cross multiply
    30,593.11x = 42,219.13 × 17,165.33
  4. Step 4: Simplify right side
    30,593.11x = 724,705,298.76
  5. Step 5: Solve for x
    x = 724,705,298.76/30,593.11
  6. Step 6: Final answer
    x = 23,688.52

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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.