Home / 54,128.56-74,698.76-30,259.22

Finding the Fourth Proportional to 54,128.56, 74,698.76 and 30,259.22

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Solution

The fourth proportional to 54,128.56, 74,698.76 and 30,259.22 is: 41,758.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128.56 : 74,698.76 = 30,259.22 : x
  2. Step 2: Convert to fraction form
    54,128.56/74,698.76 = 30,259.22/x
  3. Step 3: Cross multiply
    54,128.56x = 74,698.76 × 30,259.22
  4. Step 4: Simplify right side
    54,128.56x = 2,260,326,212.57
  5. Step 5: Solve for x
    x = 2,260,326,212.57/54,128.56
  6. Step 6: Final answer
    x = 41,758.48

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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.