Home / 37,240.89-51,387.08-21,918.33

Finding the Fourth Proportional to 37,240.89, 51,387.08 and 21,918.33

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Solution

The fourth proportional to 37,240.89, 51,387.08 and 21,918.33 is: 30,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,240.89 : 51,387.08 = 21,918.33 : x
  2. Step 2: Convert to fraction form
    37,240.89/51,387.08 = 21,918.33/x
  3. Step 3: Cross multiply
    37,240.89x = 51,387.08 × 21,918.33
  4. Step 4: Simplify right side
    37,240.89x = 1,126,318,977.18
  5. Step 5: Solve for x
    x = 1,126,318,977.18/37,240.89
  6. Step 6: Final answer
    x = 30,244.15

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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.