Home / 38,846.40-58,286.72-20,374.08

Finding the Fourth Proportional to 38,846.40, 58,286.72 and 20,374.08

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Solution

The fourth proportional to 38,846.40, 58,286.72 and 20,374.08 is: 30,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,846.40 : 58,286.72 = 20,374.08 : x
  2. Step 2: Convert to fraction form
    38,846.40/58,286.72 = 20,374.08/x
  3. Step 3: Cross multiply
    38,846.40x = 58,286.72 × 20,374.08
  4. Step 4: Simplify right side
    38,846.40x = 1,187,538,296.22
  5. Step 5: Solve for x
    x = 1,187,538,296.22/38,846.40
  6. Step 6: Final answer
    x = 30,570.10

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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.