Home / 54,009.43-74,521.01-31,335.26

Finding the Fourth Proportional to 54,009.43, 74,521.01 and 31,335.26

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Solution

The fourth proportional to 54,009.43, 74,521.01 and 31,335.26 is: 43,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,009.43 : 74,521.01 = 31,335.26 : x
  2. Step 2: Convert to fraction form
    54,009.43/74,521.01 = 31,335.26/x
  3. Step 3: Cross multiply
    54,009.43x = 74,521.01 × 31,335.26
  4. Step 4: Simplify right side
    54,009.43x = 2,335,134,929.55
  5. Step 5: Solve for x
    x = 2,335,134,929.55/54,009.43
  6. Step 6: Final answer
    x = 43,235.69

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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.