Home / 34,451.31-47,554.80-20,303.25

Finding the Fourth Proportional to 34,451.31, 47,554.80 and 20,303.25

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Solution

The fourth proportional to 34,451.31, 47,554.80 and 20,303.25 is: 28,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,451.31 : 47,554.80 = 20,303.25 : x
  2. Step 2: Convert to fraction form
    34,451.31/47,554.80 = 20,303.25/x
  3. Step 3: Cross multiply
    34,451.31x = 47,554.80 × 20,303.25
  4. Step 4: Simplify right side
    34,451.31x = 965,516,993.10
  5. Step 5: Solve for x
    x = 965,516,993.10/34,451.31
  6. Step 6: Final answer
    x = 28,025.55

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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.