Home / 31,835.80-47,802.30-22,018.60

Finding the Fourth Proportional to 31,835.80, 47,802.30 and 22,018.60

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Solution

The fourth proportional to 31,835.80, 47,802.30 and 22,018.60 is: 33,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.80 : 47,802.30 = 22,018.60 : x
  2. Step 2: Convert to fraction form
    31,835.80/47,802.30 = 22,018.60/x
  3. Step 3: Cross multiply
    31,835.80x = 47,802.30 × 22,018.60
  4. Step 4: Simplify right side
    31,835.80x = 1,052,539,722.78
  5. Step 5: Solve for x
    x = 1,052,539,722.78/31,835.80
  6. Step 6: Final answer
    x = 33,061.51

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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.