Home / 34,980.16-48,268.56-21,361.36

Finding the Fourth Proportional to 34,980.16, 48,268.56 and 21,361.36

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Solution

The fourth proportional to 34,980.16, 48,268.56 and 21,361.36 is: 29,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,980.16 : 48,268.56 = 21,361.36 : x
  2. Step 2: Convert to fraction form
    34,980.16/48,268.56 = 21,361.36/x
  3. Step 3: Cross multiply
    34,980.16x = 48,268.56 × 21,361.36
  4. Step 4: Simplify right side
    34,980.16x = 1,031,082,086.84
  5. Step 5: Solve for x
    x = 1,031,082,086.84/34,980.16
  6. Step 6: Final answer
    x = 29,476.20

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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.