Home / 55,176.76-82,777.38-20,116.32

Finding the Fourth Proportional to 55,176.76, 82,777.38 and 20,116.32

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Solution

The fourth proportional to 55,176.76, 82,777.38 and 20,116.32 is: 30,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.76 : 82,777.38 = 20,116.32 : x
  2. Step 2: Convert to fraction form
    55,176.76/82,777.38 = 20,116.32/x
  3. Step 3: Cross multiply
    55,176.76x = 82,777.38 × 20,116.32
  4. Step 4: Simplify right side
    55,176.76x = 1,665,176,264.84
  5. Step 5: Solve for x
    x = 1,665,176,264.84/55,176.76
  6. Step 6: Final answer
    x = 30,178.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.