Home / 55,096.14-76,037.28-30,896.72

Finding the Fourth Proportional to 55,096.14, 76,037.28 and 30,896.72

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Solution

The fourth proportional to 55,096.14, 76,037.28 and 30,896.72 is: 42,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,096.14 : 76,037.28 = 30,896.72 : x
  2. Step 2: Convert to fraction form
    55,096.14/76,037.28 = 30,896.72/x
  3. Step 3: Cross multiply
    55,096.14x = 76,037.28 × 30,896.72
  4. Step 4: Simplify right side
    55,096.14x = 2,349,302,169.54
  5. Step 5: Solve for x
    x = 2,349,302,169.54/55,096.14
  6. Step 6: Final answer
    x = 42,640.05

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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.