Home / 48,409.08-66,792.72-28,254.48

Finding the Fourth Proportional to 48,409.08, 66,792.72 and 28,254.48

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Solution

The fourth proportional to 48,409.08, 66,792.72 and 28,254.48 is: 38,984.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,409.08 : 66,792.72 = 28,254.48 : x
  2. Step 2: Convert to fraction form
    48,409.08/66,792.72 = 28,254.48/x
  3. Step 3: Cross multiply
    48,409.08x = 66,792.72 × 28,254.48
  4. Step 4: Simplify right side
    48,409.08x = 1,887,193,571.39
  5. Step 5: Solve for x
    x = 1,887,193,571.39/48,409.08
  6. Step 6: Final answer
    x = 38,984.29

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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.