Home / 31,098.75-46,641.73-8,907.99

Finding the Fourth Proportional to 31,098.75, 46,641.73 and 8,907.99

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Solution

The fourth proportional to 31,098.75, 46,641.73 and 8,907.99 is: 13,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,098.75 : 46,641.73 = 8,907.99 : x
  2. Step 2: Convert to fraction form
    31,098.75/46,641.73 = 8,907.99/x
  3. Step 3: Cross multiply
    31,098.75x = 46,641.73 × 8,907.99
  4. Step 4: Simplify right side
    31,098.75x = 415,484,064.42
  5. Step 5: Solve for x
    x = 415,484,064.42/31,098.75
  6. Step 6: Final answer
    x = 13,360.15

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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.