Home / 37,411.45-51,628.89-20,416.79

Finding the Fourth Proportional to 37,411.45, 51,628.89 and 20,416.79

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Solution

The fourth proportional to 37,411.45, 51,628.89 and 20,416.79 is: 28,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,411.45 : 51,628.89 = 20,416.79 : x
  2. Step 2: Convert to fraction form
    37,411.45/51,628.89 = 20,416.79/x
  3. Step 3: Cross multiply
    37,411.45x = 51,628.89 × 20,416.79
  4. Step 4: Simplify right side
    37,411.45x = 1,054,095,946.92
  5. Step 5: Solve for x
    x = 1,054,095,946.92/37,411.45
  6. Step 6: Final answer
    x = 28,175.76

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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.