Home / 47,053.36-70,582.47-20,758.33

Finding the Fourth Proportional to 47,053.36, 70,582.47 and 20,758.33

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Solution

The fourth proportional to 47,053.36, 70,582.47 and 20,758.33 is: 31,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,053.36 : 70,582.47 = 20,758.33 : x
  2. Step 2: Convert to fraction form
    47,053.36/70,582.47 = 20,758.33/x
  3. Step 3: Cross multiply
    47,053.36x = 70,582.47 × 20,758.33
  4. Step 4: Simplify right side
    47,053.36x = 1,465,174,204.48
  5. Step 5: Solve for x
    x = 1,465,174,204.48/47,053.36
  6. Step 6: Final answer
    x = 31,138.57

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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.