Home / 39,429.40-54,411.85-22,433.27

Finding the Fourth Proportional to 39,429.40, 54,411.85 and 22,433.27

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Solution

The fourth proportional to 39,429.40, 54,411.85 and 22,433.27 is: 30,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,429.40 : 54,411.85 = 22,433.27 : x
  2. Step 2: Convert to fraction form
    39,429.40/54,411.85 = 22,433.27/x
  3. Step 3: Cross multiply
    39,429.40x = 54,411.85 × 22,433.27
  4. Step 4: Simplify right side
    39,429.40x = 1,220,635,554.75
  5. Step 5: Solve for x
    x = 1,220,635,554.75/39,429.40
  6. Step 6: Final answer
    x = 30,957.50

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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.