Home / 55,342.08-76,372.20-30,193.20

Finding the Fourth Proportional to 55,342.08, 76,372.20 and 30,193.20

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Solution

The fourth proportional to 55,342.08, 76,372.20 and 30,193.20 is: 41,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,342.08 : 76,372.20 = 30,193.20 : x
  2. Step 2: Convert to fraction form
    55,342.08/76,372.20 = 30,193.20/x
  3. Step 3: Cross multiply
    55,342.08x = 76,372.20 × 30,193.20
  4. Step 4: Simplify right side
    55,342.08x = 2,305,921,109.04
  5. Step 5: Solve for x
    x = 2,305,921,109.04/55,342.08
  6. Step 6: Final answer
    x = 41,666.69

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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.