Home / 42,442.86-63,642.39-19,049.28

Finding the Fourth Proportional to 42,442.86, 63,642.39 and 19,049.28

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Solution

The fourth proportional to 42,442.86, 63,642.39 and 19,049.28 is: 28,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,442.86 : 63,642.39 = 19,049.28 : x
  2. Step 2: Convert to fraction form
    42,442.86/63,642.39 = 19,049.28/x
  3. Step 3: Cross multiply
    42,442.86x = 63,642.39 × 19,049.28
  4. Step 4: Simplify right side
    42,442.86x = 1,212,341,706.98
  5. Step 5: Solve for x
    x = 1,212,341,706.98/42,442.86
  6. Step 6: Final answer
    x = 28,564.09

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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.