Home / 37,384.99-51,591.08-20,388.92

Finding the Fourth Proportional to 37,384.99, 51,591.08 and 20,388.92

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Solution

The fourth proportional to 37,384.99, 51,591.08 and 20,388.92 is: 28,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,384.99 : 51,591.08 = 20,388.92 : x
  2. Step 2: Convert to fraction form
    37,384.99/51,591.08 = 20,388.92/x
  3. Step 3: Cross multiply
    37,384.99x = 51,591.08 × 20,388.92
  4. Step 4: Simplify right side
    37,384.99x = 1,051,886,081.16
  5. Step 5: Solve for x
    x = 1,051,886,081.16/37,384.99
  6. Step 6: Final answer
    x = 28,136.59

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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.