Home / 34,837.56-48,074.40-18,921.60

Finding the Fourth Proportional to 34,837.56, 48,074.40 and 18,921.60

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Solution

The fourth proportional to 34,837.56, 48,074.40 and 18,921.60 is: 26,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,837.56 : 48,074.40 = 18,921.60 : x
  2. Step 2: Convert to fraction form
    34,837.56/48,074.40 = 18,921.60/x
  3. Step 3: Cross multiply
    34,837.56x = 48,074.40 × 18,921.60
  4. Step 4: Simplify right side
    34,837.56x = 909,644,567.04
  5. Step 5: Solve for x
    x = 909,644,567.04/34,837.56
  6. Step 6: Final answer
    x = 26,111.03

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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.