Home / 19,890.30-29,835.45-6,039.30

Finding the Fourth Proportional to 19,890.30, 29,835.45 and 6,039.30

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Solution

The fourth proportional to 19,890.30, 29,835.45 and 6,039.30 is: 9,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890.30 : 29,835.45 = 6,039.30 : x
  2. Step 2: Convert to fraction form
    19,890.30/29,835.45 = 6,039.30/x
  3. Step 3: Cross multiply
    19,890.30x = 29,835.45 × 6,039.30
  4. Step 4: Simplify right side
    19,890.30x = 180,185,233.19
  5. Step 5: Solve for x
    x = 180,185,233.19/19,890.30
  6. Step 6: Final answer
    x = 9,058.95

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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.