Home / 31,506.48-47,264.32-11,516.96

Finding the Fourth Proportional to 31,506.48, 47,264.32 and 11,516.96

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Solution

The fourth proportional to 31,506.48, 47,264.32 and 11,516.96 is: 17,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.48 : 47,264.32 = 11,516.96 : x
  2. Step 2: Convert to fraction form
    31,506.48/47,264.32 = 11,516.96/x
  3. Step 3: Cross multiply
    31,506.48x = 47,264.32 × 11,516.96
  4. Step 4: Simplify right side
    31,506.48x = 544,341,282.87
  5. Step 5: Solve for x
    x = 544,341,282.87/31,506.48
  6. Step 6: Final answer
    x = 17,277.12

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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.