Home / 42,395.22-63,594.19-21,323.76

Finding the Fourth Proportional to 42,395.22, 63,594.19 and 21,323.76

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Solution

The fourth proportional to 42,395.22, 63,594.19 and 21,323.76 is: 31,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,395.22 : 63,594.19 = 21,323.76 : x
  2. Step 2: Convert to fraction form
    42,395.22/63,594.19 = 21,323.76/x
  3. Step 3: Cross multiply
    42,395.22x = 63,594.19 × 21,323.76
  4. Step 4: Simplify right side
    42,395.22x = 1,356,067,244.95
  5. Step 5: Solve for x
    x = 1,356,067,244.95/42,395.22
  6. Step 6: Final answer
    x = 31,986.32

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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.