Home / 31,191.16-46,800.14-10,137.65

Finding the Fourth Proportional to 31,191.16, 46,800.14 and 10,137.65

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Solution

The fourth proportional to 31,191.16, 46,800.14 and 10,137.65 is: 15,210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.16 : 46,800.14 = 10,137.65 : x
  2. Step 2: Convert to fraction form
    31,191.16/46,800.14 = 10,137.65/x
  3. Step 3: Cross multiply
    31,191.16x = 46,800.14 × 10,137.65
  4. Step 4: Simplify right side
    31,191.16x = 474,443,314.72
  5. Step 5: Solve for x
    x = 474,443,314.72/31,191.16
  6. Step 6: Final answer
    x = 15,210.83

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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.