Home / 35,644.89-49,189.34-19,728.99

Finding the Fourth Proportional to 35,644.89, 49,189.34 and 19,728.99

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Solution

The fourth proportional to 35,644.89, 49,189.34 and 19,728.99 is: 27,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,644.89 : 49,189.34 = 19,728.99 : x
  2. Step 2: Convert to fraction form
    35,644.89/49,189.34 = 19,728.99/x
  3. Step 3: Cross multiply
    35,644.89x = 49,189.34 × 19,728.99
  4. Step 4: Simplify right side
    35,644.89x = 970,455,898.32
  5. Step 5: Solve for x
    x = 970,455,898.32/35,644.89
  6. Step 6: Final answer
    x = 27,225.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.