Home / 31,315.46-46,943.49-11,580.62

Finding the Fourth Proportional to 31,315.46, 46,943.49 and 11,580.62

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Solution

The fourth proportional to 31,315.46, 46,943.49 and 11,580.62 is: 17,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.46 : 46,943.49 = 11,580.62 : x
  2. Step 2: Convert to fraction form
    31,315.46/46,943.49 = 11,580.62/x
  3. Step 3: Cross multiply
    31,315.46x = 46,943.49 × 11,580.62
  4. Step 4: Simplify right side
    31,315.46x = 543,634,719.16
  5. Step 5: Solve for x
    x = 543,634,719.16/31,315.46
  6. Step 6: Final answer
    x = 17,359.95

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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.