Home / 31,669.44-47,497.14-14,128.08

Finding the Fourth Proportional to 31,669.44, 47,497.14 and 14,128.08

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Solution

The fourth proportional to 31,669.44, 47,497.14 and 14,128.08 is: 21,188.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,669.44 : 47,497.14 = 14,128.08 : x
  2. Step 2: Convert to fraction form
    31,669.44/47,497.14 = 14,128.08/x
  3. Step 3: Cross multiply
    31,669.44x = 47,497.14 × 14,128.08
  4. Step 4: Simplify right side
    31,669.44x = 671,043,393.69
  5. Step 5: Solve for x
    x = 671,043,393.69/31,669.44
  6. Step 6: Final answer
    x = 21,188.99

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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.