Home / 37,057.08-51,138.60-21,146.52

Finding the Fourth Proportional to 37,057.08, 51,138.60 and 21,146.52

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Solution

The fourth proportional to 37,057.08, 51,138.60 and 21,146.52 is: 29,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,057.08 : 51,138.60 = 21,146.52 : x
  2. Step 2: Convert to fraction form
    37,057.08/51,138.60 = 21,146.52/x
  3. Step 3: Cross multiply
    37,057.08x = 51,138.60 × 21,146.52
  4. Step 4: Simplify right side
    37,057.08x = 1,081,403,427.67
  5. Step 5: Solve for x
    x = 1,081,403,427.67/37,057.08
  6. Step 6: Final answer
    x = 29,182.10

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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.