Home / 36,110.80-49,831.86-19,978.77

Finding the Fourth Proportional to 36,110.80, 49,831.86 and 19,978.77

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Solution

The fourth proportional to 36,110.80, 49,831.86 and 19,978.77 is: 27,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,110.80 : 49,831.86 = 19,978.77 : x
  2. Step 2: Convert to fraction form
    36,110.80/49,831.86 = 19,978.77/x
  3. Step 3: Cross multiply
    36,110.80x = 49,831.86 × 19,978.77
  4. Step 4: Simplify right side
    36,110.80x = 995,579,269.61
  5. Step 5: Solve for x
    x = 995,579,269.61/36,110.80
  6. Step 6: Final answer
    x = 27,570.12

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1.5x scale

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.