Home / 55,965.66-77,232.54-30,815.16

Finding the Fourth Proportional to 55,965.66, 77,232.54 and 30,815.16

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Solution

The fourth proportional to 55,965.66, 77,232.54 and 30,815.16 is: 42,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,965.66 : 77,232.54 = 30,815.16 : x
  2. Step 2: Convert to fraction form
    55,965.66/77,232.54 = 30,815.16/x
  3. Step 3: Cross multiply
    55,965.66x = 77,232.54 × 30,815.16
  4. Step 4: Simplify right side
    55,965.66x = 2,379,933,077.31
  5. Step 5: Solve for x
    x = 2,379,933,077.31/55,965.66
  6. Step 6: Final answer
    x = 42,524.88

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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.