Home / 56,153.78-77,422.16-35,977.48

Finding the Fourth Proportional to 56,153.78, 77,422.16 and 35,977.48

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Solution

The fourth proportional to 56,153.78, 77,422.16 and 35,977.48 is: 49,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,153.78 : 77,422.16 = 35,977.48 : x
  2. Step 2: Convert to fraction form
    56,153.78/77,422.16 = 35,977.48/x
  3. Step 3: Cross multiply
    56,153.78x = 77,422.16 × 35,977.48
  4. Step 4: Simplify right side
    56,153.78x = 2,785,454,212.96
  5. Step 5: Solve for x
    x = 2,785,454,212.96/56,153.78
  6. Step 6: Final answer
    x = 49,604.04

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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.