Home / 49,511.52-74,278.08-19,930.32

Finding the Fourth Proportional to 49,511.52, 74,278.08 and 19,930.32

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Solution

The fourth proportional to 49,511.52, 74,278.08 and 19,930.32 is: 29,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,511.52 : 74,278.08 = 19,930.32 : x
  2. Step 2: Convert to fraction form
    49,511.52/74,278.08 = 19,930.32/x
  3. Step 3: Cross multiply
    49,511.52x = 74,278.08 × 19,930.32
  4. Step 4: Simplify right side
    49,511.52x = 1,480,385,903.39
  5. Step 5: Solve for x
    x = 1,480,385,903.39/49,511.52
  6. Step 6: Final answer
    x = 29,899.83

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1.5x scale

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.