Home / 37,389.75-51,601.50-20,622.75

Finding the Fourth Proportional to 37,389.75, 51,601.50 and 20,622.75

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Solution

The fourth proportional to 37,389.75, 51,601.50 and 20,622.75 is: 28,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,389.75 : 51,601.50 = 20,622.75 : x
  2. Step 2: Convert to fraction form
    37,389.75/51,601.50 = 20,622.75/x
  3. Step 3: Cross multiply
    37,389.75x = 51,601.50 × 20,622.75
  4. Step 4: Simplify right side
    37,389.75x = 1,064,164,834.13
  5. Step 5: Solve for x
    x = 1,064,164,834.13/37,389.75
  6. Step 6: Final answer
    x = 28,461.41

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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.