Home / 54,343.58-74,915.40-38,161.61

Finding the Fourth Proportional to 54,343.58, 74,915.40 and 38,161.61

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Solution

The fourth proportional to 54,343.58, 74,915.40 and 38,161.61 is: 52,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,343.58 : 74,915.40 = 38,161.61 : x
  2. Step 2: Convert to fraction form
    54,343.58/74,915.40 = 38,161.61/x
  3. Step 3: Cross multiply
    54,343.58x = 74,915.40 × 38,161.61
  4. Step 4: Simplify right side
    54,343.58x = 2,858,891,903.22
  5. Step 5: Solve for x
    x = 2,858,891,903.22/54,343.58
  6. Step 6: Final answer
    x = 52,607.72

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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.