Home / 31,277.88-46,987.38-18,162.36

Finding the Fourth Proportional to 31,277.88, 46,987.38 and 18,162.36

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Solution

The fourth proportional to 31,277.88, 46,987.38 and 18,162.36 is: 27,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,277.88 : 46,987.38 = 18,162.36 : x
  2. Step 2: Convert to fraction form
    31,277.88/46,987.38 = 18,162.36/x
  3. Step 3: Cross multiply
    31,277.88x = 46,987.38 × 18,162.36
  4. Step 4: Simplify right side
    31,277.88x = 853,401,711.02
  5. Step 5: Solve for x
    x = 853,401,711.02/31,277.88
  6. Step 6: Final answer
    x = 27,284.51

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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.