Home / 45,331.80-62,566.85-28,968.54

Finding the Fourth Proportional to 45,331.80, 62,566.85 and 28,968.54

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Solution

The fourth proportional to 45,331.80, 62,566.85 and 28,968.54 is: 39,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,331.80 : 62,566.85 = 28,968.54 : x
  2. Step 2: Convert to fraction form
    45,331.80/62,566.85 = 28,968.54/x
  3. Step 3: Cross multiply
    45,331.80x = 62,566.85 × 28,968.54
  4. Step 4: Simplify right side
    45,331.80x = 1,812,470,152.06
  5. Step 5: Solve for x
    x = 1,812,470,152.06/45,331.80
  6. Step 6: Final answer
    x = 39,982.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.