Home / 31,335.11-46,998.04-9,142.53

Finding the Fourth Proportional to 31,335.11, 46,998.04 and 9,142.53

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Solution

The fourth proportional to 31,335.11, 46,998.04 and 9,142.53 is: 13,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.11 : 46,998.04 = 9,142.53 : x
  2. Step 2: Convert to fraction form
    31,335.11/46,998.04 = 9,142.53/x
  3. Step 3: Cross multiply
    31,335.11x = 46,998.04 × 9,142.53
  4. Step 4: Simplify right side
    31,335.11x = 429,680,990.64
  5. Step 5: Solve for x
    x = 429,680,990.64/31,335.11
  6. Step 6: Final answer
    x = 13,712.45

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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.