Home / 37,840.45-52,219.80-21,934.12

Finding the Fourth Proportional to 37,840.45, 52,219.80 and 21,934.12

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Solution

The fourth proportional to 37,840.45, 52,219.80 and 21,934.12 is: 30,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,840.45 : 52,219.80 = 21,934.12 : x
  2. Step 2: Convert to fraction form
    37,840.45/52,219.80 = 21,934.12/x
  3. Step 3: Cross multiply
    37,840.45x = 52,219.80 × 21,934.12
  4. Step 4: Simplify right side
    37,840.45x = 1,145,395,359.58
  5. Step 5: Solve for x
    x = 1,145,395,359.58/37,840.45
  6. Step 6: Final answer
    x = 30,269.07

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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.