Home / 47,145.45-70,703.06-15,548.41

Finding the Fourth Proportional to 47,145.45, 70,703.06 and 15,548.41

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Solution

The fourth proportional to 47,145.45, 70,703.06 and 15,548.41 is: 23,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,145.45 : 70,703.06 = 15,548.41 : x
  2. Step 2: Convert to fraction form
    47,145.45/70,703.06 = 15,548.41/x
  3. Step 3: Cross multiply
    47,145.45x = 70,703.06 × 15,548.41
  4. Step 4: Simplify right side
    47,145.45x = 1,099,320,175.77
  5. Step 5: Solve for x
    x = 1,099,320,175.77/47,145.45
  6. Step 6: Final answer
    x = 23,317.63

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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.