Home / 31,122.96-46,677.33-8,936.16

Finding the Fourth Proportional to 31,122.96, 46,677.33 and 8,936.16

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Solution

The fourth proportional to 31,122.96, 46,677.33 and 8,936.16 is: 13,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,122.96 : 46,677.33 = 8,936.16 : x
  2. Step 2: Convert to fraction form
    31,122.96/46,677.33 = 8,936.16/x
  3. Step 3: Cross multiply
    31,122.96x = 46,677.33 × 8,936.16
  4. Step 4: Simplify right side
    31,122.96x = 417,116,089.25
  5. Step 5: Solve for x
    x = 417,116,089.25/31,122.96
  6. Step 6: Final answer
    x = 13,402.20

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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.