Home / 52,449.70-72,380.36-28,576.30

Finding the Fourth Proportional to 52,449.70, 72,380.36 and 28,576.30

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Solution

The fourth proportional to 52,449.70, 72,380.36 and 28,576.30 is: 39,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,449.70 : 72,380.36 = 28,576.30 : x
  2. Step 2: Convert to fraction form
    52,449.70/72,380.36 = 28,576.30/x
  3. Step 3: Cross multiply
    52,449.70x = 72,380.36 × 28,576.30
  4. Step 4: Simplify right side
    52,449.70x = 2,068,362,881.47
  5. Step 5: Solve for x
    x = 2,068,362,881.47/52,449.70
  6. Step 6: Final answer
    x = 39,435.17

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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.