Home / 31,189.19-43,041.08-16,849.01

Finding the Fourth Proportional to 31,189.19, 43,041.08 and 16,849.01

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Solution

The fourth proportional to 31,189.19, 43,041.08 and 16,849.01 is: 23,251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,189.19 : 43,041.08 = 16,849.01 : x
  2. Step 2: Convert to fraction form
    31,189.19/43,041.08 = 16,849.01/x
  3. Step 3: Cross multiply
    31,189.19x = 43,041.08 × 16,849.01
  4. Step 4: Simplify right side
    31,189.19x = 725,199,287.88
  5. Step 5: Solve for x
    x = 725,199,287.88/31,189.19
  6. Step 6: Final answer
    x = 23,251.63

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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.