Home / 55,278.08-82,941.60-28,976.56

Finding the Fourth Proportional to 55,278.08, 82,941.60 and 28,976.56

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Solution

The fourth proportional to 55,278.08, 82,941.60 and 28,976.56 is: 43,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,278.08 : 82,941.60 = 28,976.56 : x
  2. Step 2: Convert to fraction form
    55,278.08/82,941.60 = 28,976.56/x
  3. Step 3: Cross multiply
    55,278.08x = 82,941.60 × 28,976.56
  4. Step 4: Simplify right side
    55,278.08x = 2,403,362,248.90
  5. Step 5: Solve for x
    x = 2,403,362,248.90/55,278.08
  6. Step 6: Final answer
    x = 43,477.67

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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.