Home / 42,160.75-58,181.40-23,040.31

Finding the Fourth Proportional to 42,160.75, 58,181.40 and 23,040.31

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Solution

The fourth proportional to 42,160.75, 58,181.40 and 23,040.31 is: 31,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,160.75 : 58,181.40 = 23,040.31 : x
  2. Step 2: Convert to fraction form
    42,160.75/58,181.40 = 23,040.31/x
  3. Step 3: Cross multiply
    42,160.75x = 58,181.40 × 23,040.31
  4. Step 4: Simplify right side
    42,160.75x = 1,340,517,492.23
  5. Step 5: Solve for x
    x = 1,340,517,492.23/42,160.75
  6. Step 6: Final answer
    x = 31,795.39

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1.5x scale

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.