Home / 42,651.36-63,957.60-21,889.44

Finding the Fourth Proportional to 42,651.36, 63,957.60 and 21,889.44

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Solution

The fourth proportional to 42,651.36, 63,957.60 and 21,889.44 is: 32,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,651.36 : 63,957.60 = 21,889.44 : x
  2. Step 2: Convert to fraction form
    42,651.36/63,957.60 = 21,889.44/x
  3. Step 3: Cross multiply
    42,651.36x = 63,957.60 × 21,889.44
  4. Step 4: Simplify right side
    42,651.36x = 1,399,996,047.74
  5. Step 5: Solve for x
    x = 1,399,996,047.74/42,651.36
  6. Step 6: Final answer
    x = 32,824.18

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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.