Home / 31,335.62-46,998.78-9,143.03

Finding the Fourth Proportional to 31,335.62, 46,998.78 and 9,143.03

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Solution

The fourth proportional to 31,335.62, 46,998.78 and 9,143.03 is: 13,713.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.62 : 46,998.78 = 9,143.03 : x
  2. Step 2: Convert to fraction form
    31,335.62/46,998.78 = 9,143.03/x
  3. Step 3: Cross multiply
    31,335.62x = 46,998.78 × 9,143.03
  4. Step 4: Simplify right side
    31,335.62x = 429,711,020.51
  5. Step 5: Solve for x
    x = 429,711,020.51/31,335.62
  6. Step 6: Final answer
    x = 13,713.18

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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.