Home / 42,548.76-63,804.60-12,959.66

Finding the Fourth Proportional to 42,548.76, 63,804.60 and 12,959.66

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Solution

The fourth proportional to 42,548.76, 63,804.60 and 12,959.66 is: 19,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,548.76 : 63,804.60 = 12,959.66 : x
  2. Step 2: Convert to fraction form
    42,548.76/63,804.60 = 12,959.66/x
  3. Step 3: Cross multiply
    42,548.76x = 63,804.60 × 12,959.66
  4. Step 4: Simplify right side
    42,548.76x = 826,885,922.44
  5. Step 5: Solve for x
    x = 826,885,922.44/42,548.76
  6. Step 6: Final answer
    x = 19,433.84

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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.