Home / 31,287.24-46,934.78-10,229.40

Finding the Fourth Proportional to 31,287.24, 46,934.78 and 10,229.40

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Solution

The fourth proportional to 31,287.24, 46,934.78 and 10,229.40 is: 15,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,287.24 : 46,934.78 = 10,229.40 : x
  2. Step 2: Convert to fraction form
    31,287.24/46,934.78 = 10,229.40/x
  3. Step 3: Cross multiply
    31,287.24x = 46,934.78 × 10,229.40
  4. Step 4: Simplify right side
    31,287.24x = 480,114,587.39
  5. Step 5: Solve for x
    x = 480,114,587.39/31,287.24
  6. Step 6: Final answer
    x = 15,345.38

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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.