Home / 32,876.40-45,367.86-20,150.76

Finding the Fourth Proportional to 32,876.40, 45,367.86 and 20,150.76

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Solution

The fourth proportional to 32,876.40, 45,367.86 and 20,150.76 is: 27,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,876.40 : 45,367.86 = 20,150.76 : x
  2. Step 2: Convert to fraction form
    32,876.40/45,367.86 = 20,150.76/x
  3. Step 3: Cross multiply
    32,876.40x = 45,367.86 × 20,150.76
  4. Step 4: Simplify right side
    32,876.40x = 914,196,858.57
  5. Step 5: Solve for x
    x = 914,196,858.57/32,876.40
  6. Step 6: Final answer
    x = 27,807.09

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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.