Home / 55,533.28-76,635.74-30,382.76

Finding the Fourth Proportional to 55,533.28, 76,635.74 and 30,382.76

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Solution

The fourth proportional to 55,533.28, 76,635.74 and 30,382.76 is: 41,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,533.28 : 76,635.74 = 30,382.76 : x
  2. Step 2: Convert to fraction form
    55,533.28/76,635.74 = 30,382.76/x
  3. Step 3: Cross multiply
    55,533.28x = 76,635.74 × 30,382.76
  4. Step 4: Simplify right side
    55,533.28x = 2,328,405,295.84
  5. Step 5: Solve for x
    x = 2,328,405,295.84/55,533.28
  6. Step 6: Final answer
    x = 41,928.11

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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.