Home / 37,886.63-52,285.17-21,119.63

Finding the Fourth Proportional to 37,886.63, 52,285.17 and 21,119.63

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Solution

The fourth proportional to 37,886.63, 52,285.17 and 21,119.63 is: 29,145.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,886.63 : 52,285.17 = 21,119.63 : x
  2. Step 2: Convert to fraction form
    37,886.63/52,285.17 = 21,119.63/x
  3. Step 3: Cross multiply
    37,886.63x = 52,285.17 × 21,119.63
  4. Step 4: Simplify right side
    37,886.63x = 1,104,243,183.46
  5. Step 5: Solve for x
    x = 1,104,243,183.46/37,886.63
  6. Step 6: Final answer
    x = 29,145.99

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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.