Home / 47,637.12-71,462.97-12,579.51

Finding the Fourth Proportional to 47,637.12, 71,462.97 and 12,579.51

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Solution

The fourth proportional to 47,637.12, 71,462.97 and 12,579.51 is: 18,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,637.12 : 71,462.97 = 12,579.51 : x
  2. Step 2: Convert to fraction form
    47,637.12/71,462.97 = 12,579.51/x
  3. Step 3: Cross multiply
    47,637.12x = 71,462.97 × 12,579.51
  4. Step 4: Simplify right side
    47,637.12x = 898,969,145.74
  5. Step 5: Solve for x
    x = 898,969,145.74/47,637.12
  6. Step 6: Final answer
    x = 18,871.19

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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.