Home / 42,646.20-63,969.30-14,940.60

Finding the Fourth Proportional to 42,646.20, 63,969.30 and 14,940.60

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Solution

The fourth proportional to 42,646.20, 63,969.30 and 14,940.60 is: 22,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646.20 : 63,969.30 = 14,940.60 : x
  2. Step 2: Convert to fraction form
    42,646.20/63,969.30 = 14,940.60/x
  3. Step 3: Cross multiply
    42,646.20x = 63,969.30 × 14,940.60
  4. Step 4: Simplify right side
    42,646.20x = 955,739,723.58
  5. Step 5: Solve for x
    x = 955,739,723.58/42,646.20
  6. Step 6: Final answer
    x = 22,410.90

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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.