Home / 39,341.85-54,287.05-22,339.95

Finding the Fourth Proportional to 39,341.85, 54,287.05 and 22,339.95

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Solution

The fourth proportional to 39,341.85, 54,287.05 and 22,339.95 is: 30,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,341.85 : 54,287.05 = 22,339.95 : x
  2. Step 2: Convert to fraction form
    39,341.85/54,287.05 = 22,339.95/x
  3. Step 3: Cross multiply
    39,341.85x = 54,287.05 × 22,339.95
  4. Step 4: Simplify right side
    39,341.85x = 1,212,769,982.65
  5. Step 5: Solve for x
    x = 1,212,769,982.65/39,341.85
  6. Step 6: Final answer
    x = 30,826.46

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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.