Home / 30,593.10-42,218.51-17,855.04

Finding the Fourth Proportional to 30,593.10, 42,218.51 and 17,855.04

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Solution

The fourth proportional to 30,593.10, 42,218.51 and 17,855.04 is: 24,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,593.10 : 42,218.51 = 17,855.04 : x
  2. Step 2: Convert to fraction form
    30,593.10/42,218.51 = 17,855.04/x
  3. Step 3: Cross multiply
    30,593.10x = 42,218.51 × 17,855.04
  4. Step 4: Simplify right side
    30,593.10x = 753,813,184.79
  5. Step 5: Solve for x
    x = 753,813,184.79/30,593.10
  6. Step 6: Final answer
    x = 24,639.97

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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.