Home / 49,468.32-74,205.88-19,886.18

Finding the Fourth Proportional to 49,468.32, 74,205.88 and 19,886.18

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Solution

The fourth proportional to 49,468.32, 74,205.88 and 19,886.18 is: 29,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,468.32 : 74,205.88 = 19,886.18 : x
  2. Step 2: Convert to fraction form
    49,468.32/74,205.88 = 19,886.18/x
  3. Step 3: Cross multiply
    49,468.32x = 74,205.88 × 19,886.18
  4. Step 4: Simplify right side
    49,468.32x = 1,475,671,486.74
  5. Step 5: Solve for x
    x = 1,475,671,486.74/49,468.32
  6. Step 6: Final answer
    x = 29,830.64

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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.