Home / 31,721.25-47,580.08-9,534.18

Finding the Fourth Proportional to 31,721.25, 47,580.08 and 9,534.18

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Solution

The fourth proportional to 31,721.25, 47,580.08 and 9,534.18 is: 14,300.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.25 : 47,580.08 = 9,534.18 : x
  2. Step 2: Convert to fraction form
    31,721.25/47,580.08 = 9,534.18/x
  3. Step 3: Cross multiply
    31,721.25x = 47,580.08 × 9,534.18
  4. Step 4: Simplify right side
    31,721.25x = 453,636,999.46
  5. Step 5: Solve for x
    x = 453,636,999.46/31,721.25
  6. Step 6: Final answer
    x = 14,300.73

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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.