Home / 39,369.81-54,328.37-22,371.81

Finding the Fourth Proportional to 39,369.81, 54,328.37 and 22,371.81

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Solution

The fourth proportional to 39,369.81, 54,328.37 and 22,371.81 is: 30,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,369.81 : 54,328.37 = 22,371.81 : x
  2. Step 2: Convert to fraction form
    39,369.81/54,328.37 = 22,371.81/x
  3. Step 3: Cross multiply
    39,369.81x = 54,328.37 × 22,371.81
  4. Step 4: Simplify right side
    39,369.81x = 1,215,423,859.39
  5. Step 5: Solve for x
    x = 1,215,423,859.39/39,369.81
  6. Step 6: Final answer
    x = 30,871.98

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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.