Home / 19,890.42-29,835.72-6,039.42

Finding the Fourth Proportional to 19,890.42, 29,835.72 and 6,039.42

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Solution

The fourth proportional to 19,890.42, 29,835.72 and 6,039.42 is: 9,059.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890.42 : 29,835.72 = 6,039.42 : x
  2. Step 2: Convert to fraction form
    19,890.42/29,835.72 = 6,039.42/x
  3. Step 3: Cross multiply
    19,890.42x = 29,835.72 × 6,039.42
  4. Step 4: Simplify right side
    19,890.42x = 180,190,444.08
  5. Step 5: Solve for x
    x = 180,190,444.08/19,890.42
  6. Step 6: Final answer
    x = 9,059.16

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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.