Home / 53,922.48-80,909.86-21,900.76

Finding the Fourth Proportional to 53,922.48, 80,909.86 and 21,900.76

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Solution

The fourth proportional to 53,922.48, 80,909.86 and 21,900.76 is: 32,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,922.48 : 80,909.86 = 21,900.76 : x
  2. Step 2: Convert to fraction form
    53,922.48/80,909.86 = 21,900.76/x
  3. Step 3: Cross multiply
    53,922.48x = 80,909.86 × 21,900.76
  4. Step 4: Simplify right side
    53,922.48x = 1,771,987,425.49
  5. Step 5: Solve for x
    x = 1,771,987,425.49/53,922.48
  6. Step 6: Final answer
    x = 32,861.76

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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.