Home / 53,223.21-79,834.82-21,650.46

Finding the Fourth Proportional to 53,223.21, 79,834.82 and 21,650.46

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Solution

The fourth proportional to 53,223.21, 79,834.82 and 21,650.46 is: 32,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223.21 : 79,834.82 = 21,650.46 : x
  2. Step 2: Convert to fraction form
    53,223.21/79,834.82 = 21,650.46/x
  3. Step 3: Cross multiply
    53,223.21x = 79,834.82 × 21,650.46
  4. Step 4: Simplify right side
    53,223.21x = 1,728,460,468.76
  5. Step 5: Solve for x
    x = 1,728,460,468.76/53,223.21
  6. Step 6: Final answer
    x = 32,475.69

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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.