Home / 54,077.86-74,627.76-30,205.54

Finding the Fourth Proportional to 54,077.86, 74,627.76 and 30,205.54

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Solution

The fourth proportional to 54,077.86, 74,627.76 and 30,205.54 is: 41,683.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,077.86 : 74,627.76 = 30,205.54 : x
  2. Step 2: Convert to fraction form
    54,077.86/74,627.76 = 30,205.54/x
  3. Step 3: Cross multiply
    54,077.86x = 74,627.76 × 30,205.54
  4. Step 4: Simplify right side
    54,077.86x = 2,254,171,789.79
  5. Step 5: Solve for x
    x = 2,254,171,789.79/54,077.86
  6. Step 6: Final answer
    x = 41,683.82

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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.