Home / 35,907.36-53,801.76-20,872.30

Finding the Fourth Proportional to 35,907.36, 53,801.76 and 20,872.30

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Solution

The fourth proportional to 35,907.36, 53,801.76 and 20,872.30 is: 31,273.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,907.36 : 53,801.76 = 20,872.30 : x
  2. Step 2: Convert to fraction form
    35,907.36/53,801.76 = 20,872.30/x
  3. Step 3: Cross multiply
    35,907.36x = 53,801.76 × 20,872.30
  4. Step 4: Simplify right side
    35,907.36x = 1,122,966,475.25
  5. Step 5: Solve for x
    x = 1,122,966,475.25/35,907.36
  6. Step 6: Final answer
    x = 31,273.99

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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.