Home / 39,822.66-59,684.76-20,106.84

Finding the Fourth Proportional to 39,822.66, 59,684.76 and 20,106.84

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Solution

The fourth proportional to 39,822.66, 59,684.76 and 20,106.84 is: 30,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,822.66 : 59,684.76 = 20,106.84 : x
  2. Step 2: Convert to fraction form
    39,822.66/59,684.76 = 20,106.84/x
  3. Step 3: Cross multiply
    39,822.66x = 59,684.76 × 20,106.84
  4. Step 4: Simplify right side
    39,822.66x = 1,200,071,919.76
  5. Step 5: Solve for x
    x = 1,200,071,919.76/39,822.66
  6. Step 6: Final answer
    x = 30,135.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.