Home / 39,722.10-54,821.36-22,955.10

Finding the Fourth Proportional to 39,722.10, 54,821.36 and 22,955.10

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Solution

The fourth proportional to 39,722.10, 54,821.36 and 22,955.10 is: 31,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,722.10 : 54,821.36 = 22,955.10 : x
  2. Step 2: Convert to fraction form
    39,722.10/54,821.36 = 22,955.10/x
  3. Step 3: Cross multiply
    39,722.10x = 54,821.36 × 22,955.10
  4. Step 4: Simplify right side
    39,722.10x = 1,258,429,800.94
  5. Step 5: Solve for x
    x = 1,258,429,800.94/39,722.10
  6. Step 6: Final answer
    x = 31,680.85

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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.