Home / 53,325.32-79,900.32-18,245.84

Finding the Fourth Proportional to 53,325.32, 79,900.32 and 18,245.84

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Solution

The fourth proportional to 53,325.32, 79,900.32 and 18,245.84 is: 27,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,325.32 : 79,900.32 = 18,245.84 : x
  2. Step 2: Convert to fraction form
    53,325.32/79,900.32 = 18,245.84/x
  3. Step 3: Cross multiply
    53,325.32x = 79,900.32 × 18,245.84
  4. Step 4: Simplify right side
    53,325.32x = 1,457,848,454.67
  5. Step 5: Solve for x
    x = 1,457,848,454.67/53,325.32
  6. Step 6: Final answer
    x = 27,338.77

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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.