Home / 47,161.36-70,743.12-15,561.28

Finding the Fourth Proportional to 47,161.36, 70,743.12 and 15,561.28

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Solution

The fourth proportional to 47,161.36, 70,743.12 and 15,561.28 is: 23,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,161.36 : 70,743.12 = 15,561.28 : x
  2. Step 2: Convert to fraction form
    47,161.36/70,743.12 = 15,561.28/x
  3. Step 3: Cross multiply
    47,161.36x = 70,743.12 × 15,561.28
  4. Step 4: Simplify right side
    47,161.36x = 1,100,853,498.39
  5. Step 5: Solve for x
    x = 1,100,853,498.39/47,161.36
  6. Step 6: Final answer
    x = 23,342.28

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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.