Home / 35,528.44-49,020.48-21,727.30

Finding the Fourth Proportional to 35,528.44, 49,020.48 and 21,727.30

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Solution

The fourth proportional to 35,528.44, 49,020.48 and 21,727.30 is: 29,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,528.44 : 49,020.48 = 21,727.30 : x
  2. Step 2: Convert to fraction form
    35,528.44/49,020.48 = 21,727.30/x
  3. Step 3: Cross multiply
    35,528.44x = 49,020.48 × 21,727.30
  4. Step 4: Simplify right side
    35,528.44x = 1,065,082,675.10
  5. Step 5: Solve for x
    x = 1,065,082,675.10/35,528.44
  6. Step 6: Final answer
    x = 29,978.31

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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.