Home / 31,552.74-47,316.80-11,820.53

Finding the Fourth Proportional to 31,552.74, 47,316.80 and 11,820.53

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Solution

The fourth proportional to 31,552.74, 47,316.80 and 11,820.53 is: 17,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,552.74 : 47,316.80 = 11,820.53 : x
  2. Step 2: Convert to fraction form
    31,552.74/47,316.80 = 11,820.53/x
  3. Step 3: Cross multiply
    31,552.74x = 47,316.80 × 11,820.53
  4. Step 4: Simplify right side
    31,552.74x = 559,309,801.75
  5. Step 5: Solve for x
    x = 559,309,801.75/31,552.74
  6. Step 6: Final answer
    x = 17,726.19

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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.