Home / 57,187.90-85,815.55-23,905.40

Finding the Fourth Proportional to 57,187.90, 85,815.55 and 23,905.40

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Solution

The fourth proportional to 57,187.90, 85,815.55 and 23,905.40 is: 35,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,187.90 : 85,815.55 = 23,905.40 : x
  2. Step 2: Convert to fraction form
    57,187.90/85,815.55 = 23,905.40/x
  3. Step 3: Cross multiply
    57,187.90x = 85,815.55 × 23,905.40
  4. Step 4: Simplify right side
    57,187.90x = 2,051,455,048.97
  5. Step 5: Solve for x
    x = 2,051,455,048.97/57,187.90
  6. Step 6: Final answer
    x = 35,872.19

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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.