Home / 31,320.34-46,979.28-10,261.96

Finding the Fourth Proportional to 31,320.34, 46,979.28 and 10,261.96

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Solution

The fourth proportional to 31,320.34, 46,979.28 and 10,261.96 is: 15,392.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.34 : 46,979.28 = 10,261.96 : x
  2. Step 2: Convert to fraction form
    31,320.34/46,979.28 = 10,261.96/x
  3. Step 3: Cross multiply
    31,320.34x = 46,979.28 × 10,261.96
  4. Step 4: Simplify right side
    31,320.34x = 482,099,492.19
  5. Step 5: Solve for x
    x = 482,099,492.19/31,320.34
  6. Step 6: Final answer
    x = 15,392.54

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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.