Home / 53,883.12-74,361.01-30,009.80

Finding the Fourth Proportional to 53,883.12, 74,361.01 and 30,009.80

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Solution

The fourth proportional to 53,883.12, 74,361.01 and 30,009.80 is: 41,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,883.12 : 74,361.01 = 30,009.80 : x
  2. Step 2: Convert to fraction form
    53,883.12/74,361.01 = 30,009.80/x
  3. Step 3: Cross multiply
    53,883.12x = 74,361.01 × 30,009.80
  4. Step 4: Simplify right side
    53,883.12x = 2,231,558,516.04
  5. Step 5: Solve for x
    x = 2,231,558,516.04/53,883.12
  6. Step 6: Final answer
    x = 41,414.80

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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.