Home / 42,449.36-63,652.16-19,055.76

Finding the Fourth Proportional to 42,449.36, 63,652.16 and 19,055.76

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Solution

The fourth proportional to 42,449.36, 63,652.16 and 19,055.76 is: 28,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,449.36 : 63,652.16 = 19,055.76 : x
  2. Step 2: Convert to fraction form
    42,449.36/63,652.16 = 19,055.76/x
  3. Step 3: Cross multiply
    42,449.36x = 63,652.16 × 19,055.76
  4. Step 4: Simplify right side
    42,449.36x = 1,212,940,284.44
  5. Step 5: Solve for x
    x = 1,212,940,284.44/42,449.36
  6. Step 6: Final answer
    x = 28,573.82

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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.