Home / 31,290.75-46,946.61-10,231.76

Finding the Fourth Proportional to 31,290.75, 46,946.61 and 10,231.76

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Solution

The fourth proportional to 31,290.75, 46,946.61 and 10,231.76 is: 15,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,290.75 : 46,946.61 = 10,231.76 : x
  2. Step 2: Convert to fraction form
    31,290.75/46,946.61 = 10,231.76/x
  3. Step 3: Cross multiply
    31,290.75x = 46,946.61 × 10,231.76
  4. Step 4: Simplify right side
    31,290.75x = 480,346,395.17
  5. Step 5: Solve for x
    x = 480,346,395.17/31,290.75
  6. Step 6: Final answer
    x = 15,351.07

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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.