Home / 37,952.28-52,325.39-31,121.21

Finding the Fourth Proportional to 37,952.28, 52,325.39 and 31,121.21

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Solution

The fourth proportional to 37,952.28, 52,325.39 and 31,121.21 is: 42,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,952.28 : 52,325.39 = 31,121.21 : x
  2. Step 2: Convert to fraction form
    37,952.28/52,325.39 = 31,121.21/x
  3. Step 3: Cross multiply
    37,952.28x = 52,325.39 × 31,121.21
  4. Step 4: Simplify right side
    37,952.28x = 1,628,429,659.14
  5. Step 5: Solve for x
    x = 1,628,429,659.14/37,952.28
  6. Step 6: Final answer
    x = 42,907.29

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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.