Home / 37,990.08-52,424.64-21,222.72

Finding the Fourth Proportional to 37,990.08, 52,424.64 and 21,222.72

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Solution

The fourth proportional to 37,990.08, 52,424.64 and 21,222.72 is: 29,286.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,990.08 : 52,424.64 = 21,222.72 : x
  2. Step 2: Convert to fraction form
    37,990.08/52,424.64 = 21,222.72/x
  3. Step 3: Cross multiply
    37,990.08x = 52,424.64 × 21,222.72
  4. Step 4: Simplify right side
    37,990.08x = 1,112,593,455.82
  5. Step 5: Solve for x
    x = 1,112,593,455.82/37,990.08
  6. Step 6: Final answer
    x = 29,286.42

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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.