Home / 54,941.70-82,339.65-28,639.38

Finding the Fourth Proportional to 54,941.70, 82,339.65 and 28,639.38

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Solution

The fourth proportional to 54,941.70, 82,339.65 and 28,639.38 is: 42,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,941.70 : 82,339.65 = 28,639.38 : x
  2. Step 2: Convert to fraction form
    54,941.70/82,339.65 = 28,639.38/x
  3. Step 3: Cross multiply
    54,941.70x = 82,339.65 × 28,639.38
  4. Step 4: Simplify right side
    54,941.70x = 2,358,156,525.42
  5. Step 5: Solve for x
    x = 2,358,156,525.42/54,941.70
  6. Step 6: Final answer
    x = 42,921.07

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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.