Home / 30,476.16-42,063.84-19,296

Finding the Fourth Proportional to 30,476.16, 42,063.84 and 19,296

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Solution

The fourth proportional to 30,476.16, 42,063.84 and 19,296 is: 26,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,476.16 : 42,063.84 = 19,296 : x
  2. Step 2: Convert to fraction form
    30,476.16/42,063.84 = 19,296/x
  3. Step 3: Cross multiply
    30,476.16x = 42,063.84 × 19,296
  4. Step 4: Simplify right side
    30,476.16x = 811,663,856.64
  5. Step 5: Solve for x
    x = 811,663,856.64/30,476.16
  6. Step 6: Final answer
    x = 26,632.75

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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.