Home / 48,012.20-66,258.12-26,795.60

Finding the Fourth Proportional to 48,012.20, 66,258.12 and 26,795.60

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Solution

The fourth proportional to 48,012.20, 66,258.12 and 26,795.60 is: 36,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,012.20 : 66,258.12 = 26,795.60 : x
  2. Step 2: Convert to fraction form
    48,012.20/66,258.12 = 26,795.60/x
  3. Step 3: Cross multiply
    48,012.20x = 66,258.12 × 26,795.60
  4. Step 4: Simplify right side
    48,012.20x = 1,775,426,080.27
  5. Step 5: Solve for x
    x = 1,775,426,080.27/48,012.20
  6. Step 6: Final answer
    x = 36,978.64

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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.