Home / 38,783.64-58,175.68-13,824.66

Finding the Fourth Proportional to 38,783.64, 58,175.68 and 13,824.66

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Solution

The fourth proportional to 38,783.64, 58,175.68 and 13,824.66 is: 20,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,783.64 : 58,175.68 = 13,824.66 : x
  2. Step 2: Convert to fraction form
    38,783.64/58,175.68 = 13,824.66/x
  3. Step 3: Cross multiply
    38,783.64x = 58,175.68 × 13,824.66
  4. Step 4: Simplify right side
    38,783.64x = 804,258,996.27
  5. Step 5: Solve for x
    x = 804,258,996.27/38,783.64
  6. Step 6: Final answer
    x = 20,737.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.