Home / 75,125.58-112,694.24-21,818.45

Finding the Fourth Proportional to 75,125.58, 112,694.24 and 21,818.45

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Solution

The fourth proportional to 75,125.58, 112,694.24 and 21,818.45 is: 32,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,125.58 : 112,694.24 = 21,818.45 : x
  2. Step 2: Convert to fraction form
    75,125.58/112,694.24 = 21,818.45/x
  3. Step 3: Cross multiply
    75,125.58x = 112,694.24 × 21,818.45
  4. Step 4: Simplify right side
    75,125.58x = 2,458,812,968.16
  5. Step 5: Solve for x
    x = 2,458,812,968.16/75,125.58
  6. Step 6: Final answer
    x = 32,729.37

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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.