Home / 31,236.57-46,822.05-19,390.32

Finding the Fourth Proportional to 31,236.57, 46,822.05 and 19,390.32

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Solution

The fourth proportional to 31,236.57, 46,822.05 and 19,390.32 is: 29,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.57 : 46,822.05 = 19,390.32 : x
  2. Step 2: Convert to fraction form
    31,236.57/46,822.05 = 19,390.32/x
  3. Step 3: Cross multiply
    31,236.57x = 46,822.05 × 19,390.32
  4. Step 4: Simplify right side
    31,236.57x = 907,894,532.56
  5. Step 5: Solve for x
    x = 907,894,532.56/31,236.57
  6. Step 6: Final answer
    x = 29,065.12

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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.