Home / 42,693.75-64,057.64-21,622.41

Finding the Fourth Proportional to 42,693.75, 64,057.64 and 21,622.41

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Solution

The fourth proportional to 42,693.75, 64,057.64 and 21,622.41 is: 32,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,693.75 : 64,057.64 = 21,622.41 : x
  2. Step 2: Convert to fraction form
    42,693.75/64,057.64 = 21,622.41/x
  3. Step 3: Cross multiply
    42,693.75x = 64,057.64 × 21,622.41
  4. Step 4: Simplify right side
    42,693.75x = 1,385,080,447.60
  5. Step 5: Solve for x
    x = 1,385,080,447.60/42,693.75
  6. Step 6: Final answer
    x = 32,442.23

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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.