Home / 62,155.20-85,771.20-33,860.80

Finding the Fourth Proportional to 62,155.20, 85,771.20 and 33,860.80

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Solution

The fourth proportional to 62,155.20, 85,771.20 and 33,860.80 is: 46,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,155.20 : 85,771.20 = 33,860.80 : x
  2. Step 2: Convert to fraction form
    62,155.20/85,771.20 = 33,860.80/x
  3. Step 3: Cross multiply
    62,155.20x = 85,771.20 × 33,860.80
  4. Step 4: Simplify right side
    62,155.20x = 2,904,281,448.96
  5. Step 5: Solve for x
    x = 2,904,281,448.96/62,155.20
  6. Step 6: Final answer
    x = 46,726.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.