Home / 55,603.36-76,734.48-30,454.24

Finding the Fourth Proportional to 55,603.36, 76,734.48 and 30,454.24

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Solution

The fourth proportional to 55,603.36, 76,734.48 and 30,454.24 is: 42,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,603.36 : 76,734.48 = 30,454.24 : x
  2. Step 2: Convert to fraction form
    55,603.36/76,734.48 = 30,454.24/x
  3. Step 3: Cross multiply
    55,603.36x = 76,734.48 × 30,454.24
  4. Step 4: Simplify right side
    55,603.36x = 2,336,890,270.20
  5. Step 5: Solve for x
    x = 2,336,890,270.20/55,603.36
  6. Step 6: Final answer
    x = 42,027.86

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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.