Home / 57,043.44-85,534.64-19,076

Finding the Fourth Proportional to 57,043.44, 85,534.64 and 19,076

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Solution

The fourth proportional to 57,043.44, 85,534.64 and 19,076 is: 28,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,043.44 : 85,534.64 = 19,076 : x
  2. Step 2: Convert to fraction form
    57,043.44/85,534.64 = 19,076/x
  3. Step 3: Cross multiply
    57,043.44x = 85,534.64 × 19,076
  4. Step 4: Simplify right side
    57,043.44x = 1,631,658,792.64
  5. Step 5: Solve for x
    x = 1,631,658,792.64/57,043.44
  6. Step 6: Final answer
    x = 28,603.79

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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.