Home / 31,116.78-46,675.14-10,340.28

Finding the Fourth Proportional to 31,116.78, 46,675.14 and 10,340.28

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Solution

The fourth proportional to 31,116.78, 46,675.14 and 10,340.28 is: 15,510.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,116.78 : 46,675.14 = 10,340.28 : x
  2. Step 2: Convert to fraction form
    31,116.78/46,675.14 = 10,340.28/x
  3. Step 3: Cross multiply
    31,116.78x = 46,675.14 × 10,340.28
  4. Step 4: Simplify right side
    31,116.78x = 482,634,016.64
  5. Step 5: Solve for x
    x = 482,634,016.64/31,116.78
  6. Step 6: Final answer
    x = 15,510.41

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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.