Home / 57,080.36-78,766.62-31,925

Finding the Fourth Proportional to 57,080.36, 78,766.62 and 31,925

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Solution

The fourth proportional to 57,080.36, 78,766.62 and 31,925 is: 44,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,080.36 : 78,766.62 = 31,925 : x
  2. Step 2: Convert to fraction form
    57,080.36/78,766.62 = 31,925/x
  3. Step 3: Cross multiply
    57,080.36x = 78,766.62 × 31,925
  4. Step 4: Simplify right side
    57,080.36x = 2,514,624,343.50
  5. Step 5: Solve for x
    x = 2,514,624,343.50/57,080.36
  6. Step 6: Final answer
    x = 44,054.11

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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.