Home / 38,335.28-52,901.51-21,338.64

Finding the Fourth Proportional to 38,335.28, 52,901.51 and 21,338.64

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Solution

The fourth proportional to 38,335.28, 52,901.51 and 21,338.64 is: 29,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335.28 : 52,901.51 = 21,338.64 : x
  2. Step 2: Convert to fraction form
    38,335.28/52,901.51 = 21,338.64/x
  3. Step 3: Cross multiply
    38,335.28x = 52,901.51 × 21,338.64
  4. Step 4: Simplify right side
    38,335.28x = 1,128,846,170.65
  5. Step 5: Solve for x
    x = 1,128,846,170.65/38,335.28
  6. Step 6: Final answer
    x = 29,446.67

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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.