Home / 63,739.78-87,959.73-35,445.22

Finding the Fourth Proportional to 63,739.78, 87,959.73 and 35,445.22

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Solution

The fourth proportional to 63,739.78, 87,959.73 and 35,445.22 is: 48,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,739.78 : 87,959.73 = 35,445.22 : x
  2. Step 2: Convert to fraction form
    63,739.78/87,959.73 = 35,445.22/x
  3. Step 3: Cross multiply
    63,739.78x = 87,959.73 × 35,445.22
  4. Step 4: Simplify right side
    63,739.78x = 3,117,751,980.99
  5. Step 5: Solve for x
    x = 3,117,751,980.99/63,739.78
  6. Step 6: Final answer
    x = 48,913.75

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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.