Home / 38,722.12-58,048.77-13,758.88

Finding the Fourth Proportional to 38,722.12, 58,048.77 and 13,758.88

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Solution

The fourth proportional to 38,722.12, 58,048.77 and 13,758.88 is: 20,626.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,722.12 : 58,048.77 = 13,758.88 : x
  2. Step 2: Convert to fraction form
    38,722.12/58,048.77 = 13,758.88/x
  3. Step 3: Cross multiply
    38,722.12x = 58,048.77 × 13,758.88
  4. Step 4: Simplify right side
    38,722.12x = 798,686,060.58
  5. Step 5: Solve for x
    x = 798,686,060.58/38,722.12
  6. Step 6: Final answer
    x = 20,626.09

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1.5x scale

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.