Home / 49,999.76-75,020.64-21,905.36

Finding the Fourth Proportional to 49,999.76, 75,020.64 and 21,905.36

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Solution

The fourth proportional to 49,999.76, 75,020.64 and 21,905.36 is: 32,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,999.76 : 75,020.64 = 21,905.36 : x
  2. Step 2: Convert to fraction form
    49,999.76/75,020.64 = 21,905.36/x
  3. Step 3: Cross multiply
    49,999.76x = 75,020.64 × 21,905.36
  4. Step 4: Simplify right side
    49,999.76x = 1,643,354,126.63
  5. Step 5: Solve for x
    x = 1,643,354,126.63/49,999.76
  6. Step 6: Final answer
    x = 32,867.24

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1.5x scale

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.