Home / 55,361.48-83,055.40-17,921.58

Finding the Fourth Proportional to 55,361.48, 83,055.40 and 17,921.58

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Solution

The fourth proportional to 55,361.48, 83,055.40 and 17,921.58 is: 26,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,361.48 : 83,055.40 = 17,921.58 : x
  2. Step 2: Convert to fraction form
    55,361.48/83,055.40 = 17,921.58/x
  3. Step 3: Cross multiply
    55,361.48x = 83,055.40 × 17,921.58
  4. Step 4: Simplify right side
    55,361.48x = 1,488,483,995.53
  5. Step 5: Solve for x
    x = 1,488,483,995.53/55,361.48
  6. Step 6: Final answer
    x = 26,886.64

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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.