Home / 42,043.86-58,020.94-23,181.66

Finding the Fourth Proportional to 42,043.86, 58,020.94 and 23,181.66

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Solution

The fourth proportional to 42,043.86, 58,020.94 and 23,181.66 is: 31,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,043.86 : 58,020.94 = 23,181.66 : x
  2. Step 2: Convert to fraction form
    42,043.86/58,020.94 = 23,181.66/x
  3. Step 3: Cross multiply
    42,043.86x = 58,020.94 × 23,181.66
  4. Step 4: Simplify right side
    42,043.86x = 1,345,021,703.96
  5. Step 5: Solve for x
    x = 1,345,021,703.96/42,043.86
  6. Step 6: Final answer
    x = 31,990.92

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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.