Home / 31,848.06-47,772.18-9,661.62

Finding the Fourth Proportional to 31,848.06, 47,772.18 and 9,661.62

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Solution

The fourth proportional to 31,848.06, 47,772.18 and 9,661.62 is: 14,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,848.06 : 47,772.18 = 9,661.62 : x
  2. Step 2: Convert to fraction form
    31,848.06/47,772.18 = 9,661.62/x
  3. Step 3: Cross multiply
    31,848.06x = 47,772.18 × 9,661.62
  4. Step 4: Simplify right side
    31,848.06x = 461,556,649.73
  5. Step 5: Solve for x
    x = 461,556,649.73/31,848.06
  6. Step 6: Final answer
    x = 14,492.46

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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.