Home / 55,825.32-77,011.92-36,978.24

Finding the Fourth Proportional to 55,825.32, 77,011.92 and 36,978.24

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Solution

The fourth proportional to 55,825.32, 77,011.92 and 36,978.24 is: 51,012.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,825.32 : 77,011.92 = 36,978.24 : x
  2. Step 2: Convert to fraction form
    55,825.32/77,011.92 = 36,978.24/x
  3. Step 3: Cross multiply
    55,825.32x = 77,011.92 × 36,978.24
  4. Step 4: Simplify right side
    55,825.32x = 2,847,765,260.62
  5. Step 5: Solve for x
    x = 2,847,765,260.62/55,825.32
  6. Step 6: Final answer
    x = 51,012.07

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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.