Home / 35,646.94-53,452.41-20,860.30

Finding the Fourth Proportional to 35,646.94, 53,452.41 and 20,860.30

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Solution

The fourth proportional to 35,646.94, 53,452.41 and 20,860.30 is: 31,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,646.94 : 53,452.41 = 20,860.30 : x
  2. Step 2: Convert to fraction form
    35,646.94/53,452.41 = 20,860.30/x
  3. Step 3: Cross multiply
    35,646.94x = 53,452.41 × 20,860.30
  4. Step 4: Simplify right side
    35,646.94x = 1,115,033,308.32
  5. Step 5: Solve for x
    x = 1,115,033,308.32/35,646.94
  6. Step 6: Final answer
    x = 31,279.92

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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.