Home / 30,162.07-45,266.19-21,724.51

Finding the Fourth Proportional to 30,162.07, 45,266.19 and 21,724.51

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Solution

The fourth proportional to 30,162.07, 45,266.19 and 21,724.51 is: 32,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.07 : 45,266.19 = 21,724.51 : x
  2. Step 2: Convert to fraction form
    30,162.07/45,266.19 = 21,724.51/x
  3. Step 3: Cross multiply
    30,162.07x = 45,266.19 × 21,724.51
  4. Step 4: Simplify right side
    30,162.07x = 983,385,797.32
  5. Step 5: Solve for x
    x = 983,385,797.32/30,162.07
  6. Step 6: Final answer
    x = 32,603.39

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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.