Home / 54,243.31-74,860.40-31,589.40

Finding the Fourth Proportional to 54,243.31, 74,860.40 and 31,589.40

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Solution

The fourth proportional to 54,243.31, 74,860.40 and 31,589.40 is: 43,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.31 : 74,860.40 = 31,589.40 : x
  2. Step 2: Convert to fraction form
    54,243.31/74,860.40 = 31,589.40/x
  3. Step 3: Cross multiply
    54,243.31x = 74,860.40 × 31,589.40
  4. Step 4: Simplify right side
    54,243.31x = 2,364,795,119.76
  5. Step 5: Solve for x
    x = 2,364,795,119.76/54,243.31
  6. Step 6: Final answer
    x = 43,596.07

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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.