Home / 42,821.38-64,241.82-23,099.50

Finding the Fourth Proportional to 42,821.38, 64,241.82 and 23,099.50

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Solution

The fourth proportional to 42,821.38, 64,241.82 and 23,099.50 is: 34,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,821.38 : 64,241.82 = 23,099.50 : x
  2. Step 2: Convert to fraction form
    42,821.38/64,241.82 = 23,099.50/x
  3. Step 3: Cross multiply
    42,821.38x = 64,241.82 × 23,099.50
  4. Step 4: Simplify right side
    42,821.38x = 1,483,953,921.09
  5. Step 5: Solve for x
    x = 1,483,953,921.09/42,821.38
  6. Step 6: Final answer
    x = 34,654.51

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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.