Home / 30,763.35-42,449.76-17,334.18

Finding the Fourth Proportional to 30,763.35, 42,449.76 and 17,334.18

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Solution

The fourth proportional to 30,763.35, 42,449.76 and 17,334.18 is: 23,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.35 : 42,449.76 = 17,334.18 : x
  2. Step 2: Convert to fraction form
    30,763.35/42,449.76 = 17,334.18/x
  3. Step 3: Cross multiply
    30,763.35x = 42,449.76 × 17,334.18
  4. Step 4: Simplify right side
    30,763.35x = 735,831,780.80
  5. Step 5: Solve for x
    x = 735,831,780.80/30,763.35
  6. Step 6: Final answer
    x = 23,919.10

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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.