Home / 77,319.06-115,990.65-32,946

Finding the Fourth Proportional to 77,319.06, 115,990.65 and 32,946

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Solution

The fourth proportional to 77,319.06, 115,990.65 and 32,946 is: 49,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,319.06 : 115,990.65 = 32,946 : x
  2. Step 2: Convert to fraction form
    77,319.06/115,990.65 = 32,946/x
  3. Step 3: Cross multiply
    77,319.06x = 115,990.65 × 32,946
  4. Step 4: Simplify right side
    77,319.06x = 3,821,427,954.90
  5. Step 5: Solve for x
    x = 3,821,427,954.90/77,319.06
  6. Step 6: Final answer
    x = 49,424.14

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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.