Home / 39,071.16-53,922.06-22,306.68

Finding the Fourth Proportional to 39,071.16, 53,922.06 and 22,306.68

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Solution

The fourth proportional to 39,071.16, 53,922.06 and 22,306.68 is: 30,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071.16 : 53,922.06 = 22,306.68 : x
  2. Step 2: Convert to fraction form
    39,071.16/53,922.06 = 22,306.68/x
  3. Step 3: Cross multiply
    39,071.16x = 53,922.06 × 22,306.68
  4. Step 4: Simplify right side
    39,071.16x = 1,202,822,137.36
  5. Step 5: Solve for x
    x = 1,202,822,137.36/39,071.16
  6. Step 6: Final answer
    x = 30,785.42

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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.