Home / 31,155.41-46,726.12-8,963.84

Finding the Fourth Proportional to 31,155.41, 46,726.12 and 8,963.84

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Solution

The fourth proportional to 31,155.41, 46,726.12 and 8,963.84 is: 13,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,155.41 : 46,726.12 = 8,963.84 : x
  2. Step 2: Convert to fraction form
    31,155.41/46,726.12 = 8,963.84/x
  3. Step 3: Cross multiply
    31,155.41x = 46,726.12 × 8,963.84
  4. Step 4: Simplify right side
    31,155.41x = 418,845,241.07
  5. Step 5: Solve for x
    x = 418,845,241.07/31,155.41
  6. Step 6: Final answer
    x = 13,443.74

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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.