Home / 45,782.86-63,181.74-25,639.66

Finding the Fourth Proportional to 45,782.86, 63,181.74 and 25,639.66

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Solution

The fourth proportional to 45,782.86, 63,181.74 and 25,639.66 is: 35,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,782.86 : 63,181.74 = 25,639.66 : x
  2. Step 2: Convert to fraction form
    45,782.86/63,181.74 = 25,639.66/x
  3. Step 3: Cross multiply
    45,782.86x = 63,181.74 × 25,639.66
  4. Step 4: Simplify right side
    45,782.86x = 1,619,958,331.81
  5. Step 5: Solve for x
    x = 1,619,958,331.81/45,782.86
  6. Step 6: Final answer
    x = 35,383.51

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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.