Home / 37,840.79-52,220.31-21,934.47

Finding the Fourth Proportional to 37,840.79, 52,220.31 and 21,934.47

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Solution

The fourth proportional to 37,840.79, 52,220.31 and 21,934.47 is: 30,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,840.79 : 52,220.31 = 21,934.47 : x
  2. Step 2: Convert to fraction form
    37,840.79/52,220.31 = 21,934.47/x
  3. Step 3: Cross multiply
    37,840.79x = 52,220.31 × 21,934.47
  4. Step 4: Simplify right side
    37,840.79x = 1,145,424,713.41
  5. Step 5: Solve for x
    x = 1,145,424,713.41/37,840.79
  6. Step 6: Final answer
    x = 30,269.58

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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.