Home / 31,246.20-46,869.30-18,132.30

Finding the Fourth Proportional to 31,246.20, 46,869.30 and 18,132.30

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Solution

The fourth proportional to 31,246.20, 46,869.30 and 18,132.30 is: 27,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,246.20 : 46,869.30 = 18,132.30 : x
  2. Step 2: Convert to fraction form
    31,246.20/46,869.30 = 18,132.30/x
  3. Step 3: Cross multiply
    31,246.20x = 46,869.30 × 18,132.30
  4. Step 4: Simplify right side
    31,246.20x = 849,848,208.39
  5. Step 5: Solve for x
    x = 849,848,208.39/31,246.20
  6. Step 6: Final answer
    x = 27,198.45

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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.