Home / 31,440.22-47,131.02-21,584.14

Finding the Fourth Proportional to 31,440.22, 47,131.02 and 21,584.14

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Solution

The fourth proportional to 31,440.22, 47,131.02 and 21,584.14 is: 32,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.22 : 47,131.02 = 21,584.14 : x
  2. Step 2: Convert to fraction form
    31,440.22/47,131.02 = 21,584.14/x
  3. Step 3: Cross multiply
    31,440.22x = 47,131.02 × 21,584.14
  4. Step 4: Simplify right side
    31,440.22x = 1,017,282,534.02
  5. Step 5: Solve for x
    x = 1,017,282,534.02/31,440.22
  6. Step 6: Final answer
    x = 32,356.09

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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.