Home / 30,281.51-45,425.36-11,577.29

Finding the Fourth Proportional to 30,281.51, 45,425.36 and 11,577.29

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Solution

The fourth proportional to 30,281.51, 45,425.36 and 11,577.29 is: 17,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.51 : 45,425.36 = 11,577.29 : x
  2. Step 2: Convert to fraction form
    30,281.51/45,425.36 = 11,577.29/x
  3. Step 3: Cross multiply
    30,281.51x = 45,425.36 × 11,577.29
  4. Step 4: Simplify right side
    30,281.51x = 525,902,281.06
  5. Step 5: Solve for x
    x = 525,902,281.06/30,281.51
  6. Step 6: Final answer
    x = 17,367.11

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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.