Home / 30,328.40-45,473.04-12,793.52

Finding the Fourth Proportional to 30,328.40, 45,473.04 and 12,793.52

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Solution

The fourth proportional to 30,328.40, 45,473.04 and 12,793.52 is: 19,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328.40 : 45,473.04 = 12,793.52 : x
  2. Step 2: Convert to fraction form
    30,328.40/45,473.04 = 12,793.52/x
  3. Step 3: Cross multiply
    30,328.40x = 45,473.04 × 12,793.52
  4. Step 4: Simplify right side
    30,328.40x = 581,760,246.70
  5. Step 5: Solve for x
    x = 581,760,246.70/30,328.40
  6. Step 6: Final answer
    x = 19,182.03

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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.