Home / 54,180.24-74,775.03-31,520.19

Finding the Fourth Proportional to 54,180.24, 74,775.03 and 31,520.19

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Solution

The fourth proportional to 54,180.24, 74,775.03 and 31,520.19 is: 43,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,180.24 : 74,775.03 = 31,520.19 : x
  2. Step 2: Convert to fraction form
    54,180.24/74,775.03 = 31,520.19/x
  3. Step 3: Cross multiply
    54,180.24x = 74,775.03 × 31,520.19
  4. Step 4: Simplify right side
    54,180.24x = 2,356,923,152.86
  5. Step 5: Solve for x
    x = 2,356,923,152.86/54,180.24
  6. Step 6: Final answer
    x = 43,501.53

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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.