Home / 36,947.48-55,409.42-11,981.66

Finding the Fourth Proportional to 36,947.48, 55,409.42 and 11,981.66

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Solution

The fourth proportional to 36,947.48, 55,409.42 and 11,981.66 is: 17,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,947.48 : 55,409.42 = 11,981.66 : x
  2. Step 2: Convert to fraction form
    36,947.48/55,409.42 = 11,981.66/x
  3. Step 3: Cross multiply
    36,947.48x = 55,409.42 × 11,981.66
  4. Step 4: Simplify right side
    36,947.48x = 663,896,831.24
  5. Step 5: Solve for x
    x = 663,896,831.24/36,947.48
  6. Step 6: Final answer
    x = 17,968.66

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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.