Home / 42,645.90-63,885.72-25,964.58

Finding the Fourth Proportional to 42,645.90, 63,885.72 and 25,964.58

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Solution

The fourth proportional to 42,645.90, 63,885.72 and 25,964.58 is: 38,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,645.90 : 63,885.72 = 25,964.58 : x
  2. Step 2: Convert to fraction form
    42,645.90/63,885.72 = 25,964.58/x
  3. Step 3: Cross multiply
    42,645.90x = 63,885.72 × 25,964.58
  4. Step 4: Simplify right side
    42,645.90x = 1,658,765,887.80
  5. Step 5: Solve for x
    x = 1,658,765,887.80/42,645.90
  6. Step 6: Final answer
    x = 38,896.26

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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.