Home / 53,003.24-73,145.32-30,342.14

Finding the Fourth Proportional to 53,003.24, 73,145.32 and 30,342.14

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Solution

The fourth proportional to 53,003.24, 73,145.32 and 30,342.14 is: 41,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.24 : 73,145.32 = 30,342.14 : x
  2. Step 2: Convert to fraction form
    53,003.24/73,145.32 = 30,342.14/x
  3. Step 3: Cross multiply
    53,003.24x = 73,145.32 × 30,342.14
  4. Step 4: Simplify right side
    53,003.24x = 2,219,385,098.20
  5. Step 5: Solve for x
    x = 2,219,385,098.20/53,003.24
  6. Step 6: Final answer
    x = 41,872.63

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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.