Home / 34,322.59-47,351.10-20,883.07

Finding the Fourth Proportional to 34,322.59, 47,351.10 and 20,883.07

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Solution

The fourth proportional to 34,322.59, 47,351.10 and 20,883.07 is: 28,810.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,322.59 : 47,351.10 = 20,883.07 : x
  2. Step 2: Convert to fraction form
    34,322.59/47,351.10 = 20,883.07/x
  3. Step 3: Cross multiply
    34,322.59x = 47,351.10 × 20,883.07
  4. Step 4: Simplify right side
    34,322.59x = 988,836,335.88
  5. Step 5: Solve for x
    x = 988,836,335.88/34,322.59
  6. Step 6: Final answer
    x = 28,810.07

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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.