Home / 55,434.25-76,499.31-30,283.75

Finding the Fourth Proportional to 55,434.25, 76,499.31 and 30,283.75

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Solution

The fourth proportional to 55,434.25, 76,499.31 and 30,283.75 is: 41,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,434.25 : 76,499.31 = 30,283.75 : x
  2. Step 2: Convert to fraction form
    55,434.25/76,499.31 = 30,283.75/x
  3. Step 3: Cross multiply
    55,434.25x = 76,499.31 × 30,283.75
  4. Step 4: Simplify right side
    55,434.25x = 2,316,685,979.21
  5. Step 5: Solve for x
    x = 2,316,685,979.21/55,434.25
  6. Step 6: Final answer
    x = 41,791.60

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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.