Home / 55,724.16-76,898.88-30,573.44

Finding the Fourth Proportional to 55,724.16, 76,898.88 and 30,573.44

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Solution

The fourth proportional to 55,724.16, 76,898.88 and 30,573.44 is: 42,191.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,724.16 : 76,898.88 = 30,573.44 : x
  2. Step 2: Convert to fraction form
    55,724.16/76,898.88 = 30,573.44/x
  3. Step 3: Cross multiply
    55,724.16x = 76,898.88 × 30,573.44
  4. Step 4: Simplify right side
    55,724.16x = 2,351,063,293.75
  5. Step 5: Solve for x
    x = 2,351,063,293.75/55,724.16
  6. Step 6: Final answer
    x = 42,191.09

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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.