Home / 30,599.83-45,902.31-13,069.81

Finding the Fourth Proportional to 30,599.83, 45,902.31 and 13,069.81

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Solution

The fourth proportional to 30,599.83, 45,902.31 and 13,069.81 is: 19,605.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599.83 : 45,902.31 = 13,069.81 : x
  2. Step 2: Convert to fraction form
    30,599.83/45,902.31 = 13,069.81/x
  3. Step 3: Cross multiply
    30,599.83x = 45,902.31 × 13,069.81
  4. Step 4: Simplify right side
    30,599.83x = 599,934,470.26
  5. Step 5: Solve for x
    x = 599,934,470.26/30,599.83
  6. Step 6: Final answer
    x = 19,605.81

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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.