Home / 35,480.58-53,156.30-20,644.52

Finding the Fourth Proportional to 35,480.58, 53,156.30 and 20,644.52

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Solution

The fourth proportional to 35,480.58, 53,156.30 and 20,644.52 is: 30,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,480.58 : 53,156.30 = 20,644.52 : x
  2. Step 2: Convert to fraction form
    35,480.58/53,156.30 = 20,644.52/x
  3. Step 3: Cross multiply
    35,480.58x = 53,156.30 × 20,644.52
  4. Step 4: Simplify right side
    35,480.58x = 1,097,386,344.60
  5. Step 5: Solve for x
    x = 1,097,386,344.60/35,480.58
  6. Step 6: Final answer
    x = 30,929.21

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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.