Home / 31,337.62-46,991.31-18,193.30

Finding the Fourth Proportional to 31,337.62, 46,991.31 and 18,193.30

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Solution

The fourth proportional to 31,337.62, 46,991.31 and 18,193.30 is: 27,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337.62 : 46,991.31 = 18,193.30 : x
  2. Step 2: Convert to fraction form
    31,337.62/46,991.31 = 18,193.30/x
  3. Step 3: Cross multiply
    31,337.62x = 46,991.31 × 18,193.30
  4. Step 4: Simplify right side
    31,337.62x = 854,927,000.22
  5. Step 5: Solve for x
    x = 854,927,000.22/31,337.62
  6. Step 6: Final answer
    x = 27,281.17

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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.