Home / 74,727.37-112,115.67-30,342.21

Finding the Fourth Proportional to 74,727.37, 112,115.67 and 30,342.21

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Solution

The fourth proportional to 74,727.37, 112,115.67 and 30,342.21 is: 45,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,727.37 : 112,115.67 = 30,342.21 : x
  2. Step 2: Convert to fraction form
    74,727.37/112,115.67 = 30,342.21/x
  3. Step 3: Cross multiply
    74,727.37x = 112,115.67 × 30,342.21
  4. Step 4: Simplify right side
    74,727.37x = 3,401,837,203.43
  5. Step 5: Solve for x
    x = 3,401,837,203.43/74,727.37
  6. Step 6: Final answer
    x = 45,523.31

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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.