Home / 35,455.38-53,190.42-14,678.88

Finding the Fourth Proportional to 35,455.38, 53,190.42 and 14,678.88

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Solution

The fourth proportional to 35,455.38, 53,190.42 and 14,678.88 is: 22,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.38 : 53,190.42 = 14,678.88 : x
  2. Step 2: Convert to fraction form
    35,455.38/53,190.42 = 14,678.88/x
  3. Step 3: Cross multiply
    35,455.38x = 53,190.42 × 14,678.88
  4. Step 4: Simplify right side
    35,455.38x = 780,775,792.33
  5. Step 5: Solve for x
    x = 780,775,792.33/35,455.38
  6. Step 6: Final answer
    x = 22,021.36

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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.