Home / 31,113.89-46,677.75-8,925.56

Finding the Fourth Proportional to 31,113.89, 46,677.75 and 8,925.56

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Solution

The fourth proportional to 31,113.89, 46,677.75 and 8,925.56 is: 13,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,113.89 : 46,677.75 = 8,925.56 : x
  2. Step 2: Convert to fraction form
    31,113.89/46,677.75 = 8,925.56/x
  3. Step 3: Cross multiply
    31,113.89x = 46,677.75 × 8,925.56
  4. Step 4: Simplify right side
    31,113.89x = 416,625,016.68
  5. Step 5: Solve for x
    x = 416,625,016.68/31,113.89
  6. Step 6: Final answer
    x = 13,390.32

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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.