Home / 47,946.16-71,919.84-18,365.77

Finding the Fourth Proportional to 47,946.16, 71,919.84 and 18,365.77

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Solution

The fourth proportional to 47,946.16, 71,919.84 and 18,365.77 is: 27,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,946.16 : 71,919.84 = 18,365.77 : x
  2. Step 2: Convert to fraction form
    47,946.16/71,919.84 = 18,365.77/x
  3. Step 3: Cross multiply
    47,946.16x = 71,919.84 × 18,365.77
  4. Step 4: Simplify right side
    47,946.16x = 1,320,863,239.88
  5. Step 5: Solve for x
    x = 1,320,863,239.88/47,946.16
  6. Step 6: Final answer
    x = 27,548.88

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1.5x scale

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.