Home / 42,642.41-63,880.47-25,961.06

Finding the Fourth Proportional to 42,642.41, 63,880.47 and 25,961.06

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Solution

The fourth proportional to 42,642.41, 63,880.47 and 25,961.06 is: 38,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,642.41 : 63,880.47 = 25,961.06 : x
  2. Step 2: Convert to fraction form
    42,642.41/63,880.47 = 25,961.06/x
  3. Step 3: Cross multiply
    42,642.41x = 63,880.47 × 25,961.06
  4. Step 4: Simplify right side
    42,642.41x = 1,658,404,874.20
  5. Step 5: Solve for x
    x = 1,658,404,874.20/42,642.41
  6. Step 6: Final answer
    x = 38,890.98

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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.