Home / 40,570.92-60,783.30-38,131.08

Finding the Fourth Proportional to 40,570.92, 60,783.30 and 38,131.08

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Solution

The fourth proportional to 40,570.92, 60,783.30 and 38,131.08 is: 57,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,570.92 : 60,783.30 = 38,131.08 : x
  2. Step 2: Convert to fraction form
    40,570.92/60,783.30 = 38,131.08/x
  3. Step 3: Cross multiply
    40,570.92x = 60,783.30 × 38,131.08
  4. Step 4: Simplify right side
    40,570.92x = 2,317,732,874.96
  5. Step 5: Solve for x
    x = 2,317,732,874.96/40,570.92
  6. Step 6: Final answer
    x = 57,127.93

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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.