Home / 38,014.80-57,030.30-11,722.20

Finding the Fourth Proportional to 38,014.80, 57,030.30 and 11,722.20

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Solution

The fourth proportional to 38,014.80, 57,030.30 and 11,722.20 is: 17,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.80 : 57,030.30 = 11,722.20 : x
  2. Step 2: Convert to fraction form
    38,014.80/57,030.30 = 11,722.20/x
  3. Step 3: Cross multiply
    38,014.80x = 57,030.30 × 11,722.20
  4. Step 4: Simplify right side
    38,014.80x = 668,520,582.66
  5. Step 5: Solve for x
    x = 668,520,582.66/38,014.80
  6. Step 6: Final answer
    x = 17,585.80

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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.