Home / 39,133.78-58,688.30-12,832.36

Finding the Fourth Proportional to 39,133.78, 58,688.30 and 12,832.36

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Solution

The fourth proportional to 39,133.78, 58,688.30 and 12,832.36 is: 19,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,133.78 : 58,688.30 = 12,832.36 : x
  2. Step 2: Convert to fraction form
    39,133.78/58,688.30 = 12,832.36/x
  3. Step 3: Cross multiply
    39,133.78x = 58,688.30 × 12,832.36
  4. Step 4: Simplify right side
    39,133.78x = 753,109,393.39
  5. Step 5: Solve for x
    x = 753,109,393.39/39,133.78
  6. Step 6: Final answer
    x = 19,244.48

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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.