Home / 48,271.48-66,611.90-28,131.64

Finding the Fourth Proportional to 48,271.48, 66,611.90 and 28,131.64

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Solution

The fourth proportional to 48,271.48, 66,611.90 and 28,131.64 is: 38,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,271.48 : 66,611.90 = 28,131.64 : x
  2. Step 2: Convert to fraction form
    48,271.48/66,611.90 = 28,131.64/x
  3. Step 3: Cross multiply
    48,271.48x = 66,611.90 × 28,131.64
  4. Step 4: Simplify right side
    48,271.48x = 1,873,901,894.32
  5. Step 5: Solve for x
    x = 1,873,901,894.32/48,271.48
  6. Step 6: Final answer
    x = 38,820.07

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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.