Home / 30,555.69-45,837.93-11,587.31

Finding the Fourth Proportional to 30,555.69, 45,837.93 and 11,587.31

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Solution

The fourth proportional to 30,555.69, 45,837.93 and 11,587.31 is: 17,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,555.69 : 45,837.93 = 11,587.31 : x
  2. Step 2: Convert to fraction form
    30,555.69/45,837.93 = 11,587.31/x
  3. Step 3: Cross multiply
    30,555.69x = 45,837.93 × 11,587.31
  4. Step 4: Simplify right side
    30,555.69x = 531,138,304.67
  5. Step 5: Solve for x
    x = 531,138,304.67/30,555.69
  6. Step 6: Final answer
    x = 17,382.63

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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.