Home / 30,177.10-41,644.33-16,748.51

Finding the Fourth Proportional to 30,177.10, 41,644.33 and 16,748.51

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Solution

The fourth proportional to 30,177.10, 41,644.33 and 16,748.51 is: 23,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.10 : 41,644.33 = 16,748.51 : x
  2. Step 2: Convert to fraction form
    30,177.10/41,644.33 = 16,748.51/x
  3. Step 3: Cross multiply
    30,177.10x = 41,644.33 × 16,748.51
  4. Step 4: Simplify right side
    30,177.10x = 697,480,477.45
  5. Step 5: Solve for x
    x = 697,480,477.45/30,177.10
  6. Step 6: Final answer
    x = 23,112.91

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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.