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Finding the Fourth Proportional to 37,100.88, 51,191.65 and 21,986.89

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Solution

The fourth proportional to 37,100.88, 51,191.65 and 21,986.89 is: 30,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,100.88 : 51,191.65 = 21,986.89 : x
  2. Step 2: Convert to fraction form
    37,100.88/51,191.65 = 21,986.89/x
  3. Step 3: Cross multiply
    37,100.88x = 51,191.65 × 21,986.89
  4. Step 4: Simplify right side
    37,100.88x = 1,125,545,177.47
  5. Step 5: Solve for x
    x = 1,125,545,177.47/37,100.88
  6. Step 6: Final answer
    x = 30,337.43

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1.5x scale

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.