Home / 37,617.81-51,910.65-21,701.31

Finding the Fourth Proportional to 37,617.81, 51,910.65 and 21,701.31

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Solution

The fourth proportional to 37,617.81, 51,910.65 and 21,701.31 is: 29,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,617.81 : 51,910.65 = 21,701.31 : x
  2. Step 2: Convert to fraction form
    37,617.81/51,910.65 = 21,701.31/x
  3. Step 3: Cross multiply
    37,617.81x = 51,910.65 × 21,701.31
  4. Step 4: Simplify right side
    37,617.81x = 1,126,529,107.95
  5. Step 5: Solve for x
    x = 1,126,529,107.95/37,617.81
  6. Step 6: Final answer
    x = 29,946.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.