Home / 38,334.45-52,902.14-21,338.88

Finding the Fourth Proportional to 38,334.45, 52,902.14 and 21,338.88

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Solution

The fourth proportional to 38,334.45, 52,902.14 and 21,338.88 is: 29,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,334.45 : 52,902.14 = 21,338.88 : x
  2. Step 2: Convert to fraction form
    38,334.45/52,902.14 = 21,338.88/x
  3. Step 3: Cross multiply
    38,334.45x = 52,902.14 × 21,338.88
  4. Step 4: Simplify right side
    38,334.45x = 1,128,872,417.20
  5. Step 5: Solve for x
    x = 1,128,872,417.20/38,334.45
  6. Step 6: Final answer
    x = 29,447.99

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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.