Home / 31,099.20-46,648.56-17,943.12

Finding the Fourth Proportional to 31,099.20, 46,648.56 and 17,943.12

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Solution

The fourth proportional to 31,099.20, 46,648.56 and 17,943.12 is: 26,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099.20 : 46,648.56 = 17,943.12 : x
  2. Step 2: Convert to fraction form
    31,099.20/46,648.56 = 17,943.12/x
  3. Step 3: Cross multiply
    31,099.20x = 46,648.56 × 17,943.12
  4. Step 4: Simplify right side
    31,099.20x = 837,020,709.91
  5. Step 5: Solve for x
    x = 837,020,709.91/31,099.20
  6. Step 6: Final answer
    x = 26,914.54

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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.