Home / 31,148.24-46,727.04-10,081.28

Finding the Fourth Proportional to 31,148.24, 46,727.04 and 10,081.28

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Solution

The fourth proportional to 31,148.24, 46,727.04 and 10,081.28 is: 15,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,148.24 : 46,727.04 = 10,081.28 : x
  2. Step 2: Convert to fraction form
    31,148.24/46,727.04 = 10,081.28/x
  3. Step 3: Cross multiply
    31,148.24x = 46,727.04 × 10,081.28
  4. Step 4: Simplify right side
    31,148.24x = 471,068,373.81
  5. Step 5: Solve for x
    x = 471,068,373.81/31,148.24
  6. Step 6: Final answer
    x = 15,123.43

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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.