Home / 30,905.46-46,269.90-28,943.70

Finding the Fourth Proportional to 30,905.46, 46,269.90 and 28,943.70

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Solution

The fourth proportional to 30,905.46, 46,269.90 and 28,943.70 is: 43,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,905.46 : 46,269.90 = 28,943.70 : x
  2. Step 2: Convert to fraction form
    30,905.46/46,269.90 = 28,943.70/x
  3. Step 3: Cross multiply
    30,905.46x = 46,269.90 × 28,943.70
  4. Step 4: Simplify right side
    30,905.46x = 1,339,222,104.63
  5. Step 5: Solve for x
    x = 1,339,222,104.63/30,905.46
  6. Step 6: Final answer
    x = 43,332.86

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1.5x scale

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.