Home / 47,664.72-71,447.40-18,064.08

Finding the Fourth Proportional to 47,664.72, 71,447.40 and 18,064.08

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Solution

The fourth proportional to 47,664.72, 71,447.40 and 18,064.08 is: 27,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,664.72 : 71,447.40 = 18,064.08 : x
  2. Step 2: Convert to fraction form
    47,664.72/71,447.40 = 18,064.08/x
  3. Step 3: Cross multiply
    47,664.72x = 71,447.40 × 18,064.08
  4. Step 4: Simplify right side
    47,664.72x = 1,290,631,549.39
  5. Step 5: Solve for x
    x = 1,290,631,549.39/47,664.72
  6. Step 6: Final answer
    x = 27,077.29

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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.