Home / 37,156.86-51,276.40-20,161.10

Finding the Fourth Proportional to 37,156.86, 51,276.40 and 20,161.10

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Solution

The fourth proportional to 37,156.86, 51,276.40 and 20,161.10 is: 27,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,156.86 : 51,276.40 = 20,161.10 : x
  2. Step 2: Convert to fraction form
    37,156.86/51,276.40 = 20,161.10/x
  3. Step 3: Cross multiply
    37,156.86x = 51,276.40 × 20,161.10
  4. Step 4: Simplify right side
    37,156.86x = 1,033,788,527.23
  5. Step 5: Solve for x
    x = 1,033,788,527.23/37,156.86
  6. Step 6: Final answer
    x = 27,822.28

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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.