Home / 30,588.10-42,211.61-17,850.04

Finding the Fourth Proportional to 30,588.10, 42,211.61 and 17,850.04

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Solution

The fourth proportional to 30,588.10, 42,211.61 and 17,850.04 is: 24,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.10 : 42,211.61 = 17,850.04 : x
  2. Step 2: Convert to fraction form
    30,588.10/42,211.61 = 17,850.04/x
  3. Step 3: Cross multiply
    30,588.10x = 42,211.61 × 17,850.04
  4. Step 4: Simplify right side
    30,588.10x = 753,478,926.96
  5. Step 5: Solve for x
    x = 753,478,926.96/30,588.10
  6. Step 6: Final answer
    x = 24,633.07

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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.