Home / 47,130.44-70,656.78-19,447.88

Finding the Fourth Proportional to 47,130.44, 70,656.78 and 19,447.88

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Solution

The fourth proportional to 47,130.44, 70,656.78 and 19,447.88 is: 29,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,130.44 : 70,656.78 = 19,447.88 : x
  2. Step 2: Convert to fraction form
    47,130.44/70,656.78 = 19,447.88/x
  3. Step 3: Cross multiply
    47,130.44x = 70,656.78 × 19,447.88
  4. Step 4: Simplify right side
    47,130.44x = 1,374,124,578.63
  5. Step 5: Solve for x
    x = 1,374,124,578.63/47,130.44
  6. Step 6: Final answer
    x = 29,155.78

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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.