Home / 48,278.22-66,656.34-30,156.48

Finding the Fourth Proportional to 48,278.22, 66,656.34 and 30,156.48

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Solution

The fourth proportional to 48,278.22, 66,656.34 and 30,156.48 is: 41,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.22 : 66,656.34 = 30,156.48 : x
  2. Step 2: Convert to fraction form
    48,278.22/66,656.34 = 30,156.48/x
  3. Step 3: Cross multiply
    48,278.22x = 66,656.34 × 30,156.48
  4. Step 4: Simplify right side
    48,278.22x = 2,010,120,584.08
  5. Step 5: Solve for x
    x = 2,010,120,584.08/48,278.22
  6. Step 6: Final answer
    x = 41,636.18

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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.