Home / 31,228.23-46,834.54-12,256.71

Finding the Fourth Proportional to 31,228.23, 46,834.54 and 12,256.71

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Solution

The fourth proportional to 31,228.23, 46,834.54 and 12,256.71 is: 18,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,228.23 : 46,834.54 = 12,256.71 : x
  2. Step 2: Convert to fraction form
    31,228.23/46,834.54 = 12,256.71/x
  3. Step 3: Cross multiply
    31,228.23x = 46,834.54 × 12,256.71
  4. Step 4: Simplify right side
    31,228.23x = 574,037,313.48
  5. Step 5: Solve for x
    x = 574,037,313.48/31,228.23
  6. Step 6: Final answer
    x = 18,382.00

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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.