Home / 52,236.16-72,074.64-31,022.56

Finding the Fourth Proportional to 52,236.16, 72,074.64 and 31,022.56

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Solution

The fourth proportional to 52,236.16, 72,074.64 and 31,022.56 is: 42,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,236.16 : 72,074.64 = 31,022.56 : x
  2. Step 2: Convert to fraction form
    52,236.16/72,074.64 = 31,022.56/x
  3. Step 3: Cross multiply
    52,236.16x = 72,074.64 × 31,022.56
  4. Step 4: Simplify right side
    52,236.16x = 2,235,939,843.88
  5. Step 5: Solve for x
    x = 2,235,939,843.88/52,236.16
  6. Step 6: Final answer
    x = 42,804.45

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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.