Home / 36,128.66-54,210.27-12,766.10

Finding the Fourth Proportional to 36,128.66, 54,210.27 and 12,766.10

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Solution

The fourth proportional to 36,128.66, 54,210.27 and 12,766.10 is: 19,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,128.66 : 54,210.27 = 12,766.10 : x
  2. Step 2: Convert to fraction form
    36,128.66/54,210.27 = 12,766.10/x
  3. Step 3: Cross multiply
    36,128.66x = 54,210.27 × 12,766.10
  4. Step 4: Simplify right side
    36,128.66x = 692,053,727.85
  5. Step 5: Solve for x
    x = 692,053,727.85/36,128.66
  6. Step 6: Final answer
    x = 19,155.26

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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.