Home / 74,216.86-111,314.49-21,612.22

Finding the Fourth Proportional to 74,216.86, 111,314.49 and 21,612.22

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Solution

The fourth proportional to 74,216.86, 111,314.49 and 21,612.22 is: 32,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,216.86 : 111,314.49 = 21,612.22 : x
  2. Step 2: Convert to fraction form
    74,216.86/111,314.49 = 21,612.22/x
  3. Step 3: Cross multiply
    74,216.86x = 111,314.49 × 21,612.22
  4. Step 4: Simplify right side
    74,216.86x = 2,405,753,247.07
  5. Step 5: Solve for x
    x = 2,405,753,247.07/74,216.86
  6. Step 6: Final answer
    x = 32,415.19

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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.