Home / 36,970.78-55,448-10,669.80

Finding the Fourth Proportional to 36,970.78, 55,448 and 10,669.80

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Solution

The fourth proportional to 36,970.78, 55,448 and 10,669.80 is: 16,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,970.78 : 55,448 = 10,669.80 : x
  2. Step 2: Convert to fraction form
    36,970.78/55,448 = 10,669.80/x
  3. Step 3: Cross multiply
    36,970.78x = 55,448 × 10,669.80
  4. Step 4: Simplify right side
    36,970.78x = 591,619,070.40
  5. Step 5: Solve for x
    x = 591,619,070.40/36,970.78
  6. Step 6: Final answer
    x = 16,002.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.