Home / 59,920.22-89,880.33-20,477.68

Finding the Fourth Proportional to 59,920.22, 89,880.33 and 20,477.68

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Solution

The fourth proportional to 59,920.22, 89,880.33 and 20,477.68 is: 30,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,920.22 : 89,880.33 = 20,477.68 : x
  2. Step 2: Convert to fraction form
    59,920.22/89,880.33 = 20,477.68/x
  3. Step 3: Cross multiply
    59,920.22x = 89,880.33 × 20,477.68
  4. Step 4: Simplify right side
    59,920.22x = 1,840,540,488.12
  5. Step 5: Solve for x
    x = 1,840,540,488.12/59,920.22
  6. Step 6: Final answer
    x = 30,716.52

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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.