Home / 30,221.17-45,336.61-12,696.01

Finding the Fourth Proportional to 30,221.17, 45,336.61 and 12,696.01

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Solution

The fourth proportional to 30,221.17, 45,336.61 and 12,696.01 is: 19,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,221.17 : 45,336.61 = 12,696.01 : x
  2. Step 2: Convert to fraction form
    30,221.17/45,336.61 = 12,696.01/x
  3. Step 3: Cross multiply
    30,221.17x = 45,336.61 × 12,696.01
  4. Step 4: Simplify right side
    30,221.17x = 575,594,053.93
  5. Step 5: Solve for x
    x = 575,594,053.93/30,221.17
  6. Step 6: Final answer
    x = 19,046.05

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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.