Home / 56,223.99-84,348.14-21,163.55

Finding the Fourth Proportional to 56,223.99, 84,348.14 and 21,163.55

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Solution

The fourth proportional to 56,223.99, 84,348.14 and 21,163.55 is: 31,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,223.99 : 84,348.14 = 21,163.55 : x
  2. Step 2: Convert to fraction form
    56,223.99/84,348.14 = 21,163.55/x
  3. Step 3: Cross multiply
    56,223.99x = 84,348.14 × 21,163.55
  4. Step 4: Simplify right side
    56,223.99x = 1,785,106,078.30
  5. Step 5: Solve for x
    x = 1,785,106,078.30/56,223.99
  6. Step 6: Final answer
    x = 31,749.90

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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.