Home / 55,419.04-76,477.80-30,268

Finding the Fourth Proportional to 55,419.04, 76,477.80 and 30,268

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Solution

The fourth proportional to 55,419.04, 76,477.80 and 30,268 is: 41,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,419.04 : 76,477.80 = 30,268 : x
  2. Step 2: Convert to fraction form
    55,419.04/76,477.80 = 30,268/x
  3. Step 3: Cross multiply
    55,419.04x = 76,477.80 × 30,268
  4. Step 4: Simplify right side
    55,419.04x = 2,314,830,050.40
  5. Step 5: Solve for x
    x = 2,314,830,050.40/55,419.04
  6. Step 6: Final answer
    x = 41,769.58

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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.