Home / 55,962.12-77,232.42-30,816.36

Finding the Fourth Proportional to 55,962.12, 77,232.42 and 30,816.36

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Solution

The fourth proportional to 55,962.12, 77,232.42 and 30,816.36 is: 42,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,962.12 : 77,232.42 = 30,816.36 : x
  2. Step 2: Convert to fraction form
    55,962.12/77,232.42 = 30,816.36/x
  3. Step 3: Cross multiply
    55,962.12x = 77,232.42 × 30,816.36
  4. Step 4: Simplify right side
    55,962.12x = 2,380,022,058.39
  5. Step 5: Solve for x
    x = 2,380,022,058.39/55,962.12
  6. Step 6: Final answer
    x = 42,529.16

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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.