Home / 38,506.27-57,758.99-12,210.31

Finding the Fourth Proportional to 38,506.27, 57,758.99 and 12,210.31

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Solution

The fourth proportional to 38,506.27, 57,758.99 and 12,210.31 is: 18,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,506.27 : 57,758.99 = 12,210.31 : x
  2. Step 2: Convert to fraction form
    38,506.27/57,758.99 = 12,210.31/x
  3. Step 3: Cross multiply
    38,506.27x = 57,758.99 × 12,210.31
  4. Step 4: Simplify right side
    38,506.27x = 705,255,112.14
  5. Step 5: Solve for x
    x = 705,255,112.14/38,506.27
  6. Step 6: Final answer
    x = 18,315.33

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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.