Home / 48,275.12-66,628.68-28,136.24

Finding the Fourth Proportional to 48,275.12, 66,628.68 and 28,136.24

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Solution

The fourth proportional to 48,275.12, 66,628.68 and 28,136.24 is: 38,833.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,275.12 : 66,628.68 = 28,136.24 : x
  2. Step 2: Convert to fraction form
    48,275.12/66,628.68 = 28,136.24/x
  3. Step 3: Cross multiply
    48,275.12x = 66,628.68 × 28,136.24
  4. Step 4: Simplify right side
    48,275.12x = 1,874,680,531.36
  5. Step 5: Solve for x
    x = 1,874,680,531.36/48,275.12
  6. Step 6: Final answer
    x = 38,833.27

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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.