Home / 55,549.72-76,660.32-30,399.76

Finding the Fourth Proportional to 55,549.72, 76,660.32 and 30,399.76

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Solution

The fourth proportional to 55,549.72, 76,660.32 and 30,399.76 is: 41,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,549.72 : 76,660.32 = 30,399.76 : x
  2. Step 2: Convert to fraction form
    55,549.72/76,660.32 = 30,399.76/x
  3. Step 3: Cross multiply
    55,549.72x = 76,660.32 × 30,399.76
  4. Step 4: Simplify right side
    55,549.72x = 2,330,455,329.52
  5. Step 5: Solve for x
    x = 2,330,455,329.52/55,549.72
  6. Step 6: Final answer
    x = 41,952.60

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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.