Home / 38,189.80-52,690-22,055.04

Finding the Fourth Proportional to 38,189.80, 52,690 and 22,055.04

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Solution

The fourth proportional to 38,189.80, 52,690 and 22,055.04 is: 30,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.80 : 52,690 = 22,055.04 : x
  2. Step 2: Convert to fraction form
    38,189.80/52,690 = 22,055.04/x
  3. Step 3: Cross multiply
    38,189.80x = 52,690 × 22,055.04
  4. Step 4: Simplify right side
    38,189.80x = 1,162,080,057.60
  5. Step 5: Solve for x
    x = 1,162,080,057.60/38,189.80
  6. Step 6: Final answer
    x = 30,429.07

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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.