Home / 57,035.64-78,709.41-31,885.14

Finding the Fourth Proportional to 57,035.64, 78,709.41 and 31,885.14

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Solution

The fourth proportional to 57,035.64, 78,709.41 and 31,885.14 is: 44,001.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,035.64 : 78,709.41 = 31,885.14 : x
  2. Step 2: Convert to fraction form
    57,035.64/78,709.41 = 31,885.14/x
  3. Step 3: Cross multiply
    57,035.64x = 78,709.41 × 31,885.14
  4. Step 4: Simplify right side
    57,035.64x = 2,509,660,557.17
  5. Step 5: Solve for x
    x = 2,509,660,557.17/57,035.64
  6. Step 6: Final answer
    x = 44,001.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.