Home / 35,985.30-53,976.24-12,609.96

Finding the Fourth Proportional to 35,985.30, 53,976.24 and 12,609.96

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Solution

The fourth proportional to 35,985.30, 53,976.24 and 12,609.96 is: 18,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,985.30 : 53,976.24 = 12,609.96 : x
  2. Step 2: Convert to fraction form
    35,985.30/53,976.24 = 12,609.96/x
  3. Step 3: Cross multiply
    35,985.30x = 53,976.24 × 12,609.96
  4. Step 4: Simplify right side
    35,985.30x = 680,638,227.35
  5. Step 5: Solve for x
    x = 680,638,227.35/35,985.30
  6. Step 6: Final answer
    x = 18,914.34

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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.