Home / 55,972.72-77,242.44-30,822.32

Finding the Fourth Proportional to 55,972.72, 77,242.44 and 30,822.32

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Solution

The fourth proportional to 55,972.72, 77,242.44 and 30,822.32 is: 42,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,972.72 : 77,242.44 = 30,822.32 : x
  2. Step 2: Convert to fraction form
    55,972.72/77,242.44 = 30,822.32/x
  3. Step 3: Cross multiply
    55,972.72x = 77,242.44 × 30,822.32
  4. Step 4: Simplify right side
    55,972.72x = 2,380,791,203.26
  5. Step 5: Solve for x
    x = 2,380,791,203.26/55,972.72
  6. Step 6: Final answer
    x = 42,534.85

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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.