Home / 55,631.20-83,339.28-30,932.32

Finding the Fourth Proportional to 55,631.20, 83,339.28 and 30,932.32

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Solution

The fourth proportional to 55,631.20, 83,339.28 and 30,932.32 is: 46,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631.20 : 83,339.28 = 30,932.32 : x
  2. Step 2: Convert to fraction form
    55,631.20/83,339.28 = 30,932.32/x
  3. Step 3: Cross multiply
    55,631.20x = 83,339.28 × 30,932.32
  4. Step 4: Simplify right side
    55,631.20x = 2,577,877,277.53
  5. Step 5: Solve for x
    x = 2,577,877,277.53/55,631.20
  6. Step 6: Final answer
    x = 46,338.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.