Home / 34,689.25-52,036.31-13,912.75

Finding the Fourth Proportional to 34,689.25, 52,036.31 and 13,912.75

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Solution

The fourth proportional to 34,689.25, 52,036.31 and 13,912.75 is: 20,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.25 : 52,036.31 = 13,912.75 : x
  2. Step 2: Convert to fraction form
    34,689.25/52,036.31 = 13,912.75/x
  3. Step 3: Cross multiply
    34,689.25x = 52,036.31 × 13,912.75
  4. Step 4: Simplify right side
    34,689.25x = 723,968,171.95
  5. Step 5: Solve for x
    x = 723,968,171.95/34,689.25
  6. Step 6: Final answer
    x = 20,870.10

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1.5x scale

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.