Home / 52,775.20-72,829.89-28,576.19

Finding the Fourth Proportional to 52,775.20, 72,829.89 and 28,576.19

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Solution

The fourth proportional to 52,775.20, 72,829.89 and 28,576.19 is: 39,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,775.20 : 72,829.89 = 28,576.19 : x
  2. Step 2: Convert to fraction form
    52,775.20/72,829.89 = 28,576.19/x
  3. Step 3: Cross multiply
    52,775.20x = 72,829.89 × 28,576.19
  4. Step 4: Simplify right side
    52,775.20x = 2,081,200,774.32
  5. Step 5: Solve for x
    x = 2,081,200,774.32/52,775.20
  6. Step 6: Final answer
    x = 39,435.20

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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.