Home / 52,835.70-72,912.90-28,963.38

Finding the Fourth Proportional to 52,835.70, 72,912.90 and 28,963.38

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Solution

The fourth proportional to 52,835.70, 72,912.90 and 28,963.38 is: 39,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,835.70 : 72,912.90 = 28,963.38 : x
  2. Step 2: Convert to fraction form
    52,835.70/72,912.90 = 28,963.38/x
  3. Step 3: Cross multiply
    52,835.70x = 72,912.90 × 28,963.38
  4. Step 4: Simplify right side
    52,835.70x = 2,111,804,029.60
  5. Step 5: Solve for x
    x = 2,111,804,029.60/52,835.70
  6. Step 6: Final answer
    x = 39,969.26

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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.