Home / 33,269.08-45,917.28-19,841.20

Finding the Fourth Proportional to 33,269.08, 45,917.28 and 19,841.20

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Solution

The fourth proportional to 33,269.08, 45,917.28 and 19,841.20 is: 27,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,269.08 : 45,917.28 = 19,841.20 : x
  2. Step 2: Convert to fraction form
    33,269.08/45,917.28 = 19,841.20/x
  3. Step 3: Cross multiply
    33,269.08x = 45,917.28 × 19,841.20
  4. Step 4: Simplify right side
    33,269.08x = 911,053,935.94
  5. Step 5: Solve for x
    x = 911,053,935.94/33,269.08
  6. Step 6: Final answer
    x = 27,384.40

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1.5x scale

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.