Home / 38,209.11-52,726.19-21,212.36

Finding the Fourth Proportional to 38,209.11, 52,726.19 and 21,212.36

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Solution

The fourth proportional to 38,209.11, 52,726.19 and 21,212.36 is: 29,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,209.11 : 52,726.19 = 21,212.36 : x
  2. Step 2: Convert to fraction form
    38,209.11/52,726.19 = 21,212.36/x
  3. Step 3: Cross multiply
    38,209.11x = 52,726.19 × 21,212.36
  4. Step 4: Simplify right side
    38,209.11x = 1,118,446,923.71
  5. Step 5: Solve for x
    x = 1,118,446,923.71/38,209.11
  6. Step 6: Final answer
    x = 29,271.73

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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.