Home / 51,922.28-77,784.96-30,817.72

Finding the Fourth Proportional to 51,922.28, 77,784.96 and 30,817.72

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Solution

The fourth proportional to 51,922.28, 77,784.96 and 30,817.72 is: 46,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,922.28 : 77,784.96 = 30,817.72 : x
  2. Step 2: Convert to fraction form
    51,922.28/77,784.96 = 30,817.72/x
  3. Step 3: Cross multiply
    51,922.28x = 77,784.96 × 30,817.72
  4. Step 4: Simplify right side
    51,922.28x = 2,397,155,117.49
  5. Step 5: Solve for x
    x = 2,397,155,117.49/51,922.28
  6. Step 6: Final answer
    x = 46,168.14

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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.