Home / 35,561.08-53,348.10-12,189.88

Finding the Fourth Proportional to 35,561.08, 53,348.10 and 12,189.88

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Solution

The fourth proportional to 35,561.08, 53,348.10 and 12,189.88 is: 18,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,561.08 : 53,348.10 = 12,189.88 : x
  2. Step 2: Convert to fraction form
    35,561.08/53,348.10 = 12,189.88/x
  3. Step 3: Cross multiply
    35,561.08x = 53,348.10 × 12,189.88
  4. Step 4: Simplify right side
    35,561.08x = 650,306,937.23
  5. Step 5: Solve for x
    x = 650,306,937.23/35,561.08
  6. Step 6: Final answer
    x = 18,287.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.