Home / 47,042.13-70,555.89-13,754.37

Finding the Fourth Proportional to 47,042.13, 70,555.89 and 13,754.37

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Solution

The fourth proportional to 47,042.13, 70,555.89 and 13,754.37 is: 20,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,042.13 : 70,555.89 = 13,754.37 : x
  2. Step 2: Convert to fraction form
    47,042.13/70,555.89 = 13,754.37/x
  3. Step 3: Cross multiply
    47,042.13x = 70,555.89 × 13,754.37
  4. Step 4: Simplify right side
    47,042.13x = 970,451,816.74
  5. Step 5: Solve for x
    x = 970,451,816.74/47,042.13
  6. Step 6: Final answer
    x = 20,629.42

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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.