Home / 42,796.20-64,194.30-15,090.60

Finding the Fourth Proportional to 42,796.20, 64,194.30 and 15,090.60

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Solution

The fourth proportional to 42,796.20, 64,194.30 and 15,090.60 is: 22,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,796.20 : 64,194.30 = 15,090.60 : x
  2. Step 2: Convert to fraction form
    42,796.20/64,194.30 = 15,090.60/x
  3. Step 3: Cross multiply
    42,796.20x = 64,194.30 × 15,090.60
  4. Step 4: Simplify right side
    42,796.20x = 968,730,503.58
  5. Step 5: Solve for x
    x = 968,730,503.58/42,796.20
  6. Step 6: Final answer
    x = 22,635.90

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1.5x scale

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.