Home / 36,140.07-54,111.69-28,106.95

Finding the Fourth Proportional to 36,140.07, 54,111.69 and 28,106.95

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Solution

The fourth proportional to 36,140.07, 54,111.69 and 28,106.95 is: 42,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.07 : 54,111.69 = 28,106.95 : x
  2. Step 2: Convert to fraction form
    36,140.07/54,111.69 = 28,106.95/x
  3. Step 3: Cross multiply
    36,140.07x = 54,111.69 × 28,106.95
  4. Step 4: Simplify right side
    36,140.07x = 1,520,914,565.25
  5. Step 5: Solve for x
    x = 1,520,914,565.25/36,140.07
  6. Step 6: Final answer
    x = 42,083.89

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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.