Home / 53,860.48-74,325.72-29,986.36

Finding the Fourth Proportional to 53,860.48, 74,325.72 and 29,986.36

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Solution

The fourth proportional to 53,860.48, 74,325.72 and 29,986.36 is: 41,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,860.48 : 74,325.72 = 29,986.36 : x
  2. Step 2: Convert to fraction form
    53,860.48/74,325.72 = 29,986.36/x
  3. Step 3: Cross multiply
    53,860.48x = 74,325.72 × 29,986.36
  4. Step 4: Simplify right side
    53,860.48x = 2,228,757,797.18
  5. Step 5: Solve for x
    x = 2,228,757,797.18/53,860.48
  6. Step 6: Final answer
    x = 41,380.21

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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.