Home / 29,653.66-44,431.28-20,870.12

Finding the Fourth Proportional to 29,653.66, 44,431.28 and 20,870.12

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Solution

The fourth proportional to 29,653.66, 44,431.28 and 20,870.12 is: 31,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,653.66 : 44,431.28 = 20,870.12 : x
  2. Step 2: Convert to fraction form
    29,653.66/44,431.28 = 20,870.12/x
  3. Step 3: Cross multiply
    29,653.66x = 44,431.28 × 20,870.12
  4. Step 4: Simplify right side
    29,653.66x = 927,286,028.23
  5. Step 5: Solve for x
    x = 927,286,028.23/29,653.66
  6. Step 6: Final answer
    x = 31,270.55

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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.