Home / 38,961.67-53,767.11-21,056.64

Finding the Fourth Proportional to 38,961.67, 53,767.11 and 21,056.64

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Solution

The fourth proportional to 38,961.67, 53,767.11 and 21,056.64 is: 29,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961.67 : 53,767.11 = 21,056.64 : x
  2. Step 2: Convert to fraction form
    38,961.67/53,767.11 = 21,056.64/x
  3. Step 3: Cross multiply
    38,961.67x = 53,767.11 × 21,056.64
  4. Step 4: Simplify right side
    38,961.67x = 1,132,154,679.11
  5. Step 5: Solve for x
    x = 1,132,154,679.11/38,961.67
  6. Step 6: Final answer
    x = 29,058.17

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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.