Home / 56,057.16-77,357.94-30,563.80

Finding the Fourth Proportional to 56,057.16, 77,357.94 and 30,563.80

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Solution

The fourth proportional to 56,057.16, 77,357.94 and 30,563.80 is: 42,177.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,057.16 : 77,357.94 = 30,563.80 : x
  2. Step 2: Convert to fraction form
    56,057.16/77,357.94 = 30,563.80/x
  3. Step 3: Cross multiply
    56,057.16x = 77,357.94 × 30,563.80
  4. Step 4: Simplify right side
    56,057.16x = 2,364,352,606.57
  5. Step 5: Solve for x
    x = 2,364,352,606.57/56,057.16
  6. Step 6: Final answer
    x = 42,177.53

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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.