Home / 55,912.64-83,877.60-18,968

Finding the Fourth Proportional to 55,912.64, 83,877.60 and 18,968

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Solution

The fourth proportional to 55,912.64, 83,877.60 and 18,968 is: 28,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,912.64 : 83,877.60 = 18,968 : x
  2. Step 2: Convert to fraction form
    55,912.64/83,877.60 = 18,968/x
  3. Step 3: Cross multiply
    55,912.64x = 83,877.60 × 18,968
  4. Step 4: Simplify right side
    55,912.64x = 1,590,990,316.80
  5. Step 5: Solve for x
    x = 1,590,990,316.80/55,912.64
  6. Step 6: Final answer
    x = 28,454.93

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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.