Home / 30,940.60-46,608.04-28,250.59

Finding the Fourth Proportional to 30,940.60, 46,608.04 and 28,250.59

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Solution

The fourth proportional to 30,940.60, 46,608.04 and 28,250.59 is: 42,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940.60 : 46,608.04 = 28,250.59 : x
  2. Step 2: Convert to fraction form
    30,940.60/46,608.04 = 28,250.59/x
  3. Step 3: Cross multiply
    30,940.60x = 46,608.04 × 28,250.59
  4. Step 4: Simplify right side
    30,940.60x = 1,316,704,628.74
  5. Step 5: Solve for x
    x = 1,316,704,628.74/30,940.60
  6. Step 6: Final answer
    x = 42,555.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.