Home / 47,278.58-70,918.09-13,999.27

Finding the Fourth Proportional to 47,278.58, 70,918.09 and 13,999.27

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Solution

The fourth proportional to 47,278.58, 70,918.09 and 13,999.27 is: 20,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,278.58 : 70,918.09 = 13,999.27 : x
  2. Step 2: Convert to fraction form
    47,278.58/70,918.09 = 13,999.27/x
  3. Step 3: Cross multiply
    47,278.58x = 70,918.09 × 13,999.27
  4. Step 4: Simplify right side
    47,278.58x = 992,801,135.20
  5. Step 5: Solve for x
    x = 992,801,135.20/47,278.58
  6. Step 6: Final answer
    x = 20,998.96

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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.