Home / 38,921.64-53,693.22-37,412.76

Finding the Fourth Proportional to 38,921.64, 53,693.22 and 37,412.76

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Solution

The fourth proportional to 38,921.64, 53,693.22 and 37,412.76 is: 51,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,921.64 : 53,693.22 = 37,412.76 : x
  2. Step 2: Convert to fraction form
    38,921.64/53,693.22 = 37,412.76/x
  3. Step 3: Cross multiply
    38,921.64x = 53,693.22 × 37,412.76
  4. Step 4: Simplify right side
    38,921.64x = 2,008,811,553.49
  5. Step 5: Solve for x
    x = 2,008,811,553.49/38,921.64
  6. Step 6: Final answer
    x = 51,611.69

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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.