Home / 59,774.85-89,645.25-20,331.09

Finding the Fourth Proportional to 59,774.85, 89,645.25 and 20,331.09

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Solution

The fourth proportional to 59,774.85, 89,645.25 and 20,331.09 is: 30,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,774.85 : 89,645.25 = 20,331.09 : x
  2. Step 2: Convert to fraction form
    59,774.85/89,645.25 = 20,331.09/x
  3. Step 3: Cross multiply
    59,774.85x = 89,645.25 × 20,331.09
  4. Step 4: Simplify right side
    59,774.85x = 1,822,585,645.82
  5. Step 5: Solve for x
    x = 1,822,585,645.82/59,774.85
  6. Step 6: Final answer
    x = 30,490.84

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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.