Home / 37,644.97-56,470.53-18,915.34

Finding the Fourth Proportional to 37,644.97, 56,470.53 and 18,915.34

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Solution

The fourth proportional to 37,644.97, 56,470.53 and 18,915.34 is: 28,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,644.97 : 56,470.53 = 18,915.34 : x
  2. Step 2: Convert to fraction form
    37,644.97/56,470.53 = 18,915.34/x
  3. Step 3: Cross multiply
    37,644.97x = 56,470.53 × 18,915.34
  4. Step 4: Simplify right side
    37,644.97x = 1,068,159,274.93
  5. Step 5: Solve for x
    x = 1,068,159,274.93/37,644.97
  6. Step 6: Final answer
    x = 28,374.56

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1.5x scale

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.