Home / 49,981.68-74,973.84-21,887.22

Finding the Fourth Proportional to 49,981.68, 74,973.84 and 21,887.22

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Solution

The fourth proportional to 49,981.68, 74,973.84 and 21,887.22 is: 32,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,981.68 : 74,973.84 = 21,887.22 : x
  2. Step 2: Convert to fraction form
    49,981.68/74,973.84 = 21,887.22/x
  3. Step 3: Cross multiply
    49,981.68x = 74,973.84 × 21,887.22
  4. Step 4: Simplify right side
    49,981.68x = 1,640,968,930.32
  5. Step 5: Solve for x
    x = 1,640,968,930.32/49,981.68
  6. Step 6: Final answer
    x = 32,831.41

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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.