Home / 35,999.72-54,023.68-14,939.78

Finding the Fourth Proportional to 35,999.72, 54,023.68 and 14,939.78

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Solution

The fourth proportional to 35,999.72, 54,023.68 and 14,939.78 is: 22,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,999.72 : 54,023.68 = 14,939.78 : x
  2. Step 2: Convert to fraction form
    35,999.72/54,023.68 = 14,939.78/x
  3. Step 3: Cross multiply
    35,999.72x = 54,023.68 × 14,939.78
  4. Step 4: Simplify right side
    35,999.72x = 807,101,623.87
  5. Step 5: Solve for x
    x = 807,101,623.87/35,999.72
  6. Step 6: Final answer
    x = 22,419.67

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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.