Home / 42,732.98-64,099.51-11,143.01

Finding the Fourth Proportional to 42,732.98, 64,099.51 and 11,143.01

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Solution

The fourth proportional to 42,732.98, 64,099.51 and 11,143.01 is: 16,714.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,732.98 : 64,099.51 = 11,143.01 : x
  2. Step 2: Convert to fraction form
    42,732.98/64,099.51 = 11,143.01/x
  3. Step 3: Cross multiply
    42,732.98x = 64,099.51 × 11,143.01
  4. Step 4: Simplify right side
    42,732.98x = 714,261,464.38
  5. Step 5: Solve for x
    x = 714,261,464.38/42,732.98
  6. Step 6: Final answer
    x = 16,714.53

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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.