Home / 55,626.76-76,764.54-30,475.72

Finding the Fourth Proportional to 55,626.76, 76,764.54 and 30,475.72

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Solution

The fourth proportional to 55,626.76, 76,764.54 and 30,475.72 is: 42,056.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,626.76 : 76,764.54 = 30,475.72 : x
  2. Step 2: Convert to fraction form
    55,626.76/76,764.54 = 30,475.72/x
  3. Step 3: Cross multiply
    55,626.76x = 76,764.54 × 30,475.72
  4. Step 4: Simplify right side
    55,626.76x = 2,339,454,626.97
  5. Step 5: Solve for x
    x = 2,339,454,626.97/55,626.76
  6. Step 6: Final answer
    x = 42,056.28

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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.