Home / 47,973.86-71,961.23-18,384.63

Finding the Fourth Proportional to 47,973.86, 71,961.23 and 18,384.63

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Solution

The fourth proportional to 47,973.86, 71,961.23 and 18,384.63 is: 27,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,973.86 : 71,961.23 = 18,384.63 : x
  2. Step 2: Convert to fraction form
    47,973.86/71,961.23 = 18,384.63/x
  3. Step 3: Cross multiply
    47,973.86x = 71,961.23 × 18,384.63
  4. Step 4: Simplify right side
    47,973.86x = 1,322,980,587.89
  5. Step 5: Solve for x
    x = 1,322,980,587.89/47,973.86
  6. Step 6: Final answer
    x = 27,577.11

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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.