Home / 48,520.65-66,967.31-28,376.33

Finding the Fourth Proportional to 48,520.65, 66,967.31 and 28,376.33

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Solution

The fourth proportional to 48,520.65, 66,967.31 and 28,376.33 is: 39,164.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,520.65 : 66,967.31 = 28,376.33 : x
  2. Step 2: Convert to fraction form
    48,520.65/66,967.31 = 28,376.33/x
  3. Step 3: Cross multiply
    48,520.65x = 66,967.31 × 28,376.33
  4. Step 4: Simplify right side
    48,520.65x = 1,900,286,064.26
  5. Step 5: Solve for x
    x = 1,900,286,064.26/48,520.65
  6. Step 6: Final answer
    x = 39,164.48

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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.