Home / 30,764.48-42,455.86-17,334.99

Finding the Fourth Proportional to 30,764.48, 42,455.86 and 17,334.99

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Solution

The fourth proportional to 30,764.48, 42,455.86 and 17,334.99 is: 23,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,764.48 : 42,455.86 = 17,334.99 : x
  2. Step 2: Convert to fraction form
    30,764.48/42,455.86 = 17,334.99/x
  3. Step 3: Cross multiply
    30,764.48x = 42,455.86 × 17,334.99
  4. Step 4: Simplify right side
    30,764.48x = 735,971,865.20
  5. Step 5: Solve for x
    x = 735,971,865.20/30,764.48
  6. Step 6: Final answer
    x = 23,922.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.