Home / 37,254.10-51,398.08-21,119.68

Finding the Fourth Proportional to 37,254.10, 51,398.08 and 21,119.68

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Solution

The fourth proportional to 37,254.10, 51,398.08 and 21,119.68 is: 29,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,254.10 : 51,398.08 = 21,119.68 : x
  2. Step 2: Convert to fraction form
    37,254.10/51,398.08 = 21,119.68/x
  3. Step 3: Cross multiply
    37,254.10x = 51,398.08 × 21,119.68
  4. Step 4: Simplify right side
    37,254.10x = 1,085,510,896.62
  5. Step 5: Solve for x
    x = 1,085,510,896.62/37,254.10
  6. Step 6: Final answer
    x = 29,138.02

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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.