Home / 31,306.05-46,959.07-18,968.13

Finding the Fourth Proportional to 31,306.05, 46,959.07 and 18,968.13

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Solution

The fourth proportional to 31,306.05, 46,959.07 and 18,968.13 is: 28,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.05 : 46,959.07 = 18,968.13 : x
  2. Step 2: Convert to fraction form
    31,306.05/46,959.07 = 18,968.13/x
  3. Step 3: Cross multiply
    31,306.05x = 46,959.07 × 18,968.13
  4. Step 4: Simplify right side
    31,306.05x = 890,725,744.44
  5. Step 5: Solve for x
    x = 890,725,744.44/31,306.05
  6. Step 6: Final answer
    x = 28,452.19

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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.