Home / 30,252.76-41,670.60-21,162.04

Finding the Fourth Proportional to 30,252.76, 41,670.60 and 21,162.04

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Solution

The fourth proportional to 30,252.76, 41,670.60 and 21,162.04 is: 29,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.76 : 41,670.60 = 21,162.04 : x
  2. Step 2: Convert to fraction form
    30,252.76/41,670.60 = 21,162.04/x
  3. Step 3: Cross multiply
    30,252.76x = 41,670.60 × 21,162.04
  4. Step 4: Simplify right side
    30,252.76x = 881,834,904.02
  5. Step 5: Solve for x
    x = 881,834,904.02/30,252.76
  6. Step 6: Final answer
    x = 29,148.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.