Home / 57,022.49-78,687.86-31,527.38

Finding the Fourth Proportional to 57,022.49, 78,687.86 and 31,527.38

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Solution

The fourth proportional to 57,022.49, 78,687.86 and 31,527.38 is: 43,506.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,022.49 : 78,687.86 = 31,527.38 : x
  2. Step 2: Convert to fraction form
    57,022.49/78,687.86 = 31,527.38/x
  3. Step 3: Cross multiply
    57,022.49x = 78,687.86 × 31,527.38
  4. Step 4: Simplify right side
    57,022.49x = 2,480,821,512.53
  5. Step 5: Solve for x
    x = 2,480,821,512.53/57,022.49
  6. Step 6: Final answer
    x = 43,506.02

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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.