Home / 42,642.99-63,881.36-25,961.64

Finding the Fourth Proportional to 42,642.99, 63,881.36 and 25,961.64

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Solution

The fourth proportional to 42,642.99, 63,881.36 and 25,961.64 is: 38,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,642.99 : 63,881.36 = 25,961.64 : x
  2. Step 2: Convert to fraction form
    42,642.99/63,881.36 = 25,961.64/x
  3. Step 3: Cross multiply
    42,642.99x = 63,881.36 × 25,961.64
  4. Step 4: Simplify right side
    42,642.99x = 1,658,464,741.22
  5. Step 5: Solve for x
    x = 1,658,464,741.22/42,642.99
  6. Step 6: Final answer
    x = 38,891.85

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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.