Home / 20,451.49-30,663.56-16,507.60

Finding the Fourth Proportional to 20,451.49, 30,663.56 and 16,507.60

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Solution

The fourth proportional to 20,451.49, 30,663.56 and 16,507.60 is: 24,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,451.49 : 30,663.56 = 16,507.60 : x
  2. Step 2: Convert to fraction form
    20,451.49/30,663.56 = 16,507.60/x
  3. Step 3: Cross multiply
    20,451.49x = 30,663.56 × 16,507.60
  4. Step 4: Simplify right side
    20,451.49x = 506,181,747.67
  5. Step 5: Solve for x
    x = 506,181,747.67/20,451.49
  6. Step 6: Final answer
    x = 24,750.36

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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.