Home / 39,081.90-53,929.83-22,087.68

Finding the Fourth Proportional to 39,081.90, 53,929.83 and 22,087.68

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Solution

The fourth proportional to 39,081.90, 53,929.83 and 22,087.68 is: 30,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081.90 : 53,929.83 = 22,087.68 : x
  2. Step 2: Convert to fraction form
    39,081.90/53,929.83 = 22,087.68/x
  3. Step 3: Cross multiply
    39,081.90x = 53,929.83 × 22,087.68
  4. Step 4: Simplify right side
    39,081.90x = 1,191,184,827.49
  5. Step 5: Solve for x
    x = 1,191,184,827.49/39,081.90
  6. Step 6: Final answer
    x = 30,479.19

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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.