Home / 39,078.06-53,926.47-22,311.06

Finding the Fourth Proportional to 39,078.06, 53,926.47 and 22,311.06

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Solution

The fourth proportional to 39,078.06, 53,926.47 and 22,311.06 is: 30,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,078.06 : 53,926.47 = 22,311.06 : x
  2. Step 2: Convert to fraction form
    39,078.06/53,926.47 = 22,311.06/x
  3. Step 3: Cross multiply
    39,078.06x = 53,926.47 × 22,311.06
  4. Step 4: Simplify right side
    39,078.06x = 1,203,156,707.76
  5. Step 5: Solve for x
    x = 1,203,156,707.76/39,078.06
  6. Step 6: Final answer
    x = 30,788.55

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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.