Home / 35,987.08-53,980.26-12,294.37

Finding the Fourth Proportional to 35,987.08, 53,980.26 and 12,294.37

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Solution

The fourth proportional to 35,987.08, 53,980.26 and 12,294.37 is: 18,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.08 : 53,980.26 = 12,294.37 : x
  2. Step 2: Convert to fraction form
    35,987.08/53,980.26 = 12,294.37/x
  3. Step 3: Cross multiply
    35,987.08x = 53,980.26 × 12,294.37
  4. Step 4: Simplify right side
    35,987.08x = 663,653,289.14
  5. Step 5: Solve for x
    x = 663,653,289.14/35,987.08
  6. Step 6: Final answer
    x = 18,441.43

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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.