Home / 46,919.08-70,378.00-18,838.63

Finding the Fourth Proportional to 46,919.08, 70,378.00 and 18,838.63

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Solution

The fourth proportional to 46,919.08, 70,378.00 and 18,838.63 is: 28,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,919.08 : 70,378.00 = 18,838.63 : x
  2. Step 2: Convert to fraction form
    46,919.08/70,378.00 = 18,838.63/x
  3. Step 3: Cross multiply
    46,919.08x = 70,378.00 × 18,838.63
  4. Step 4: Simplify right side
    46,919.08x = 1,325,824,747.14
  5. Step 5: Solve for x
    x = 1,325,824,747.14/46,919.08
  6. Step 6: Final answer
    x = 28,257.69

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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.