Home / 42,850.22-64,275.32-19,460.25

Finding the Fourth Proportional to 42,850.22, 64,275.32 and 19,460.25

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Solution

The fourth proportional to 42,850.22, 64,275.32 and 19,460.25 is: 29,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,850.22 : 64,275.32 = 19,460.25 : x
  2. Step 2: Convert to fraction form
    42,850.22/64,275.32 = 19,460.25/x
  3. Step 3: Cross multiply
    42,850.22x = 64,275.32 × 19,460.25
  4. Step 4: Simplify right side
    42,850.22x = 1,250,813,844.68
  5. Step 5: Solve for x
    x = 1,250,813,844.68/42,850.22
  6. Step 6: Final answer
    x = 29,190.38

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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.