Home / 39,133.67-58,709.01-12,837.42

Finding the Fourth Proportional to 39,133.67, 58,709.01 and 12,837.42

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Solution

The fourth proportional to 39,133.67, 58,709.01 and 12,837.42 is: 19,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,133.67 : 58,709.01 = 12,837.42 : x
  2. Step 2: Convert to fraction form
    39,133.67/58,709.01 = 12,837.42/x
  3. Step 3: Cross multiply
    39,133.67x = 58,709.01 × 12,837.42
  4. Step 4: Simplify right side
    39,133.67x = 753,672,219.15
  5. Step 5: Solve for x
    x = 753,672,219.15/39,133.67
  6. Step 6: Final answer
    x = 19,258.92

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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.