Home / 31,013.57-46,499.29-15,778.69

Finding the Fourth Proportional to 31,013.57, 46,499.29 and 15,778.69

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Solution

The fourth proportional to 31,013.57, 46,499.29 and 15,778.69 is: 23,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,013.57 : 46,499.29 = 15,778.69 : x
  2. Step 2: Convert to fraction form
    31,013.57/46,499.29 = 15,778.69/x
  3. Step 3: Cross multiply
    31,013.57x = 46,499.29 × 15,778.69
  4. Step 4: Simplify right side
    31,013.57x = 733,697,882.13
  5. Step 5: Solve for x
    x = 733,697,882.13/31,013.57
  6. Step 6: Final answer
    x = 23,657.32

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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.