Home / 39,119.52-58,689-11,417.52

Finding the Fourth Proportional to 39,119.52, 58,689 and 11,417.52

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Solution

The fourth proportional to 39,119.52, 58,689 and 11,417.52 is: 17,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,119.52 : 58,689 = 11,417.52 : x
  2. Step 2: Convert to fraction form
    39,119.52/58,689 = 11,417.52/x
  3. Step 3: Cross multiply
    39,119.52x = 58,689 × 11,417.52
  4. Step 4: Simplify right side
    39,119.52x = 670,082,831.28
  5. Step 5: Solve for x
    x = 670,082,831.28/39,119.52
  6. Step 6: Final answer
    x = 17,129.12

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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.