Home / 42,448.86-63,651.39-19,055.28

Finding the Fourth Proportional to 42,448.86, 63,651.39 and 19,055.28

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Solution

The fourth proportional to 42,448.86, 63,651.39 and 19,055.28 is: 28,573.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,448.86 : 63,651.39 = 19,055.28 : x
  2. Step 2: Convert to fraction form
    42,448.86/63,651.39 = 19,055.28/x
  3. Step 3: Cross multiply
    42,448.86x = 63,651.39 × 19,055.28
  4. Step 4: Simplify right side
    42,448.86x = 1,212,895,058.84
  5. Step 5: Solve for x
    x = 1,212,895,058.84/42,448.86
  6. Step 6: Final answer
    x = 28,573.09

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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.