Home / 39,919.07-55,089.58-22,926.76

Finding the Fourth Proportional to 39,919.07, 55,089.58 and 22,926.76

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Solution

The fourth proportional to 39,919.07, 55,089.58 and 22,926.76 is: 31,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919.07 : 55,089.58 = 22,926.76 : x
  2. Step 2: Convert to fraction form
    39,919.07/55,089.58 = 22,926.76/x
  3. Step 3: Cross multiply
    39,919.07x = 55,089.58 × 22,926.76
  4. Step 4: Simplify right side
    39,919.07x = 1,263,025,427.11
  5. Step 5: Solve for x
    x = 1,263,025,427.11/39,919.07
  6. Step 6: Final answer
    x = 31,639.65

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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.