Home / 31,280.32-46,912.28-11,564.51

Finding the Fourth Proportional to 31,280.32, 46,912.28 and 11,564.51

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Solution

The fourth proportional to 31,280.32, 46,912.28 and 11,564.51 is: 17,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.32 : 46,912.28 = 11,564.51 : x
  2. Step 2: Convert to fraction form
    31,280.32/46,912.28 = 11,564.51/x
  3. Step 3: Cross multiply
    31,280.32x = 46,912.28 × 11,564.51
  4. Step 4: Simplify right side
    31,280.32x = 542,517,590.64
  5. Step 5: Solve for x
    x = 542,517,590.64/31,280.32
  6. Step 6: Final answer
    x = 17,343.74

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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.