Home / 56,057.43-77,359.19-30,563.79

Finding the Fourth Proportional to 56,057.43, 77,359.19 and 30,563.79

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Solution

The fourth proportional to 56,057.43, 77,359.19 and 30,563.79 is: 42,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,057.43 : 77,359.19 = 30,563.79 : x
  2. Step 2: Convert to fraction form
    56,057.43/77,359.19 = 30,563.79/x
  3. Step 3: Cross multiply
    56,057.43x = 77,359.19 × 30,563.79
  4. Step 4: Simplify right side
    56,057.43x = 2,364,389,884.91
  5. Step 5: Solve for x
    x = 2,364,389,884.91/56,057.43
  6. Step 6: Final answer
    x = 42,177.99

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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.