Home / 54,324.42-74,967.84-31,661.70

Finding the Fourth Proportional to 54,324.42, 74,967.84 and 31,661.70

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Solution

The fourth proportional to 54,324.42, 74,967.84 and 31,661.70 is: 43,693.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324.42 : 74,967.84 = 31,661.70 : x
  2. Step 2: Convert to fraction form
    54,324.42/74,967.84 = 31,661.70/x
  3. Step 3: Cross multiply
    54,324.42x = 74,967.84 × 31,661.70
  4. Step 4: Simplify right side
    54,324.42x = 2,373,609,259.73
  5. Step 5: Solve for x
    x = 2,373,609,259.73/54,324.42
  6. Step 6: Final answer
    x = 43,693.23

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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.