Home / 47,091.72-64,987.74-25,872.96

Finding the Fourth Proportional to 47,091.72, 64,987.74 and 25,872.96

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Solution

The fourth proportional to 47,091.72, 64,987.74 and 25,872.96 is: 35,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,091.72 : 64,987.74 = 25,872.96 : x
  2. Step 2: Convert to fraction form
    47,091.72/64,987.74 = 25,872.96/x
  3. Step 3: Cross multiply
    47,091.72x = 64,987.74 × 25,872.96
  4. Step 4: Simplify right side
    47,091.72x = 1,681,425,197.51
  5. Step 5: Solve for x
    x = 1,681,425,197.51/47,091.72
  6. Step 6: Final answer
    x = 35,705.33

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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.