Home / 39,913.30-55,084.05-22,919.77

Finding the Fourth Proportional to 39,913.30, 55,084.05 and 22,919.77

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Solution

The fourth proportional to 39,913.30, 55,084.05 and 22,919.77 is: 31,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.30 : 55,084.05 = 22,919.77 : x
  2. Step 2: Convert to fraction form
    39,913.30/55,084.05 = 22,919.77/x
  3. Step 3: Cross multiply
    39,913.30x = 55,084.05 × 22,919.77
  4. Step 4: Simplify right side
    39,913.30x = 1,262,513,366.65
  5. Step 5: Solve for x
    x = 1,262,513,366.65/39,913.30
  6. Step 6: Final answer
    x = 31,631.40

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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.