Home / 31,143.60-46,708.40-8,952.03

Finding the Fourth Proportional to 31,143.60, 46,708.40 and 8,952.03

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Solution

The fourth proportional to 31,143.60, 46,708.40 and 8,952.03 is: 13,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,143.60 : 46,708.40 = 8,952.03 : x
  2. Step 2: Convert to fraction form
    31,143.60/46,708.40 = 8,952.03/x
  3. Step 3: Cross multiply
    31,143.60x = 46,708.40 × 8,952.03
  4. Step 4: Simplify right side
    31,143.60x = 418,134,953.29
  5. Step 5: Solve for x
    x = 418,134,953.29/31,143.60
  6. Step 6: Final answer
    x = 13,426.03

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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.