Home / 74,218.86-111,317.49-21,614.22

Finding the Fourth Proportional to 74,218.86, 111,317.49 and 21,614.22

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Solution

The fourth proportional to 74,218.86, 111,317.49 and 21,614.22 is: 32,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,218.86 : 111,317.49 = 21,614.22 : x
  2. Step 2: Convert to fraction form
    74,218.86/111,317.49 = 21,614.22/x
  3. Step 3: Cross multiply
    74,218.86x = 111,317.49 × 21,614.22
  4. Step 4: Simplify right side
    74,218.86x = 2,406,040,718.71
  5. Step 5: Solve for x
    x = 2,406,040,718.71/74,218.86
  6. Step 6: Final answer
    x = 32,418.18

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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.