Home / 39,488.36-54,478.34-22,712.36

Finding the Fourth Proportional to 39,488.36, 54,478.34 and 22,712.36

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Solution

The fourth proportional to 39,488.36, 54,478.34 and 22,712.36 is: 31,334.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,488.36 : 54,478.34 = 22,712.36 : x
  2. Step 2: Convert to fraction form
    39,488.36/54,478.34 = 22,712.36/x
  3. Step 3: Cross multiply
    39,488.36x = 54,478.34 × 22,712.36
  4. Step 4: Simplify right side
    39,488.36x = 1,237,331,670.28
  5. Step 5: Solve for x
    x = 1,237,331,670.28/39,488.36
  6. Step 6: Final answer
    x = 31,334.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.