Home / 37,661.04-51,974.08-20,894

Finding the Fourth Proportional to 37,661.04, 51,974.08 and 20,894

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Solution

The fourth proportional to 37,661.04, 51,974.08 and 20,894 is: 28,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,661.04 : 51,974.08 = 20,894 : x
  2. Step 2: Convert to fraction form
    37,661.04/51,974.08 = 20,894/x
  3. Step 3: Cross multiply
    37,661.04x = 51,974.08 × 20,894
  4. Step 4: Simplify right side
    37,661.04x = 1,085,946,427.52
  5. Step 5: Solve for x
    x = 1,085,946,427.52/37,661.04
  6. Step 6: Final answer
    x = 28,834.74

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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.