Home / 30,030.69-45,046.02-12,269.73

Finding the Fourth Proportional to 30,030.69, 45,046.02 and 12,269.73

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Solution

The fourth proportional to 30,030.69, 45,046.02 and 12,269.73 is: 18,404.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030.69 : 45,046.02 = 12,269.73 : x
  2. Step 2: Convert to fraction form
    30,030.69/45,046.02 = 12,269.73/x
  3. Step 3: Cross multiply
    30,030.69x = 45,046.02 × 12,269.73
  4. Step 4: Simplify right side
    30,030.69x = 552,702,502.97
  5. Step 5: Solve for x
    x = 552,702,502.97/30,030.69
  6. Step 6: Final answer
    x = 18,404.59

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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.