Home / 55,509.28-76,604.63-30,358.78

Finding the Fourth Proportional to 55,509.28, 76,604.63 and 30,358.78

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Solution

The fourth proportional to 55,509.28, 76,604.63 and 30,358.78 is: 41,896.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,509.28 : 76,604.63 = 30,358.78 : x
  2. Step 2: Convert to fraction form
    55,509.28/76,604.63 = 30,358.78/x
  3. Step 3: Cross multiply
    55,509.28x = 76,604.63 × 30,358.78
  4. Step 4: Simplify right side
    55,509.28x = 2,325,623,280.80
  5. Step 5: Solve for x
    x = 2,325,623,280.80/55,509.28
  6. Step 6: Final answer
    x = 41,896.12

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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.