Home / 53,860.80-74,325.96-29,986.86

Finding the Fourth Proportional to 53,860.80, 74,325.96 and 29,986.86

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Solution

The fourth proportional to 53,860.80, 74,325.96 and 29,986.86 is: 41,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,860.80 : 74,325.96 = 29,986.86 : x
  2. Step 2: Convert to fraction form
    53,860.80/74,325.96 = 29,986.86/x
  3. Step 3: Cross multiply
    53,860.80x = 74,325.96 × 29,986.86
  4. Step 4: Simplify right side
    53,860.80x = 2,228,802,156.89
  5. Step 5: Solve for x
    x = 2,228,802,156.89/53,860.80
  6. Step 6: Final answer
    x = 41,380.78

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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.