Home / 51,533.40-77,182.74-30,713.88

Finding the Fourth Proportional to 51,533.40, 77,182.74 and 30,713.88

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Solution

The fourth proportional to 51,533.40, 77,182.74 and 30,713.88 is: 46,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,533.40 : 77,182.74 = 30,713.88 : x
  2. Step 2: Convert to fraction form
    51,533.40/77,182.74 = 30,713.88/x
  3. Step 3: Cross multiply
    51,533.40x = 77,182.74 × 30,713.88
  4. Step 4: Simplify right side
    51,533.40x = 2,370,581,414.43
  5. Step 5: Solve for x
    x = 2,370,581,414.43/51,533.40
  6. Step 6: Final answer
    x = 46,000.87

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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.