Home / 31,146.32-46,719.76-10,369.76

Finding the Fourth Proportional to 31,146.32, 46,719.76 and 10,369.76

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Solution

The fourth proportional to 31,146.32, 46,719.76 and 10,369.76 is: 15,554.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,146.32 : 46,719.76 = 10,369.76 : x
  2. Step 2: Convert to fraction form
    31,146.32/46,719.76 = 10,369.76/x
  3. Step 3: Cross multiply
    31,146.32x = 46,719.76 × 10,369.76
  4. Step 4: Simplify right side
    31,146.32x = 484,472,698.46
  5. Step 5: Solve for x
    x = 484,472,698.46/31,146.32
  6. Step 6: Final answer
    x = 15,554.73

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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.