Home / 36,454.35-54,681.53-20,860.95

Finding the Fourth Proportional to 36,454.35, 54,681.53 and 20,860.95

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Solution

The fourth proportional to 36,454.35, 54,681.53 and 20,860.95 is: 31,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,454.35 : 54,681.53 = 20,860.95 : x
  2. Step 2: Convert to fraction form
    36,454.35/54,681.53 = 20,860.95/x
  3. Step 3: Cross multiply
    36,454.35x = 54,681.53 × 20,860.95
  4. Step 4: Simplify right side
    36,454.35x = 1,140,708,663.25
  5. Step 5: Solve for x
    x = 1,140,708,663.25/36,454.35
  6. Step 6: Final answer
    x = 31,291.43

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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.