Home / 56,034.16-77,330.60-30,883.60

Finding the Fourth Proportional to 56,034.16, 77,330.60 and 30,883.60

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Solution

The fourth proportional to 56,034.16, 77,330.60 and 30,883.60 is: 42,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,034.16 : 77,330.60 = 30,883.60 : x
  2. Step 2: Convert to fraction form
    56,034.16/77,330.60 = 30,883.60/x
  3. Step 3: Cross multiply
    56,034.16x = 77,330.60 × 30,883.60
  4. Step 4: Simplify right side
    56,034.16x = 2,388,247,318.16
  5. Step 5: Solve for x
    x = 2,388,247,318.16/56,034.16
  6. Step 6: Final answer
    x = 42,621.27

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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.