Home / 55,294.14-76,305.69-30,143.64

Finding the Fourth Proportional to 55,294.14, 76,305.69 and 30,143.64

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Solution

The fourth proportional to 55,294.14, 76,305.69 and 30,143.64 is: 41,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,294.14 : 76,305.69 = 30,143.64 : x
  2. Step 2: Convert to fraction form
    55,294.14/76,305.69 = 30,143.64/x
  3. Step 3: Cross multiply
    55,294.14x = 76,305.69 × 30,143.64
  4. Step 4: Simplify right side
    55,294.14x = 2,300,131,249.31
  5. Step 5: Solve for x
    x = 2,300,131,249.31/55,294.14
  6. Step 6: Final answer
    x = 41,598.10

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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.