Home / 42,964.18-64,433.81-18,003.53

Finding the Fourth Proportional to 42,964.18, 64,433.81 and 18,003.53

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Solution

The fourth proportional to 42,964.18, 64,433.81 and 18,003.53 is: 27,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,964.18 : 64,433.81 = 18,003.53 : x
  2. Step 2: Convert to fraction form
    42,964.18/64,433.81 = 18,003.53/x
  3. Step 3: Cross multiply
    42,964.18x = 64,433.81 × 18,003.53
  4. Step 4: Simplify right side
    42,964.18x = 1,160,036,237.44
  5. Step 5: Solve for x
    x = 1,160,036,237.44/42,964.18
  6. Step 6: Final answer
    x = 27,000.08

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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.