Home / 73,721.88-110,582.81-18,317.88

Finding the Fourth Proportional to 73,721.88, 110,582.81 and 18,317.88

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Solution

The fourth proportional to 73,721.88, 110,582.81 and 18,317.88 is: 27,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,721.88 : 110,582.81 = 18,317.88 : x
  2. Step 2: Convert to fraction form
    73,721.88/110,582.81 = 18,317.88/x
  3. Step 3: Cross multiply
    73,721.88x = 110,582.81 × 18,317.88
  4. Step 4: Simplify right side
    73,721.88x = 2,025,642,643.64
  5. Step 5: Solve for x
    x = 2,025,642,643.64/73,721.88
  6. Step 6: Final answer
    x = 27,476.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.