Home / 38,120.32-52,606.04-21,353.28

Finding the Fourth Proportional to 38,120.32, 52,606.04 and 21,353.28

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Solution

The fourth proportional to 38,120.32, 52,606.04 and 21,353.28 is: 29,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,120.32 : 52,606.04 = 21,353.28 : x
  2. Step 2: Convert to fraction form
    38,120.32/52,606.04 = 21,353.28/x
  3. Step 3: Cross multiply
    38,120.32x = 52,606.04 × 21,353.28
  4. Step 4: Simplify right side
    38,120.32x = 1,123,311,501.81
  5. Step 5: Solve for x
    x = 1,123,311,501.81/38,120.32
  6. Step 6: Final answer
    x = 29,467.53

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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.