Home / 39,391.29-54,357.77-22,393.17

Finding the Fourth Proportional to 39,391.29, 54,357.77 and 22,393.17

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Solution

The fourth proportional to 39,391.29, 54,357.77 and 22,393.17 is: 30,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,391.29 : 54,357.77 = 22,393.17 : x
  2. Step 2: Convert to fraction form
    39,391.29/54,357.77 = 22,393.17/x
  3. Step 3: Cross multiply
    39,391.29x = 54,357.77 × 22,393.17
  4. Step 4: Simplify right side
    39,391.29x = 1,217,242,885.36
  5. Step 5: Solve for x
    x = 1,217,242,885.36/39,391.29
  6. Step 6: Final answer
    x = 30,901.32

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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.