Home / 55,770.58-76,963.54-30,621.70

Finding the Fourth Proportional to 55,770.58, 76,963.54 and 30,621.70

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Solution

The fourth proportional to 55,770.58, 76,963.54 and 30,621.70 is: 42,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.58 : 76,963.54 = 30,621.70 : x
  2. Step 2: Convert to fraction form
    55,770.58/76,963.54 = 30,621.70/x
  3. Step 3: Cross multiply
    55,770.58x = 76,963.54 × 30,621.70
  4. Step 4: Simplify right side
    55,770.58x = 2,356,754,432.82
  5. Step 5: Solve for x
    x = 2,356,754,432.82/55,770.58
  6. Step 6: Final answer
    x = 42,258.02

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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.