Home / 37,415.12-51,638.04-21,499.22

Finding the Fourth Proportional to 37,415.12, 51,638.04 and 21,499.22

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Solution

The fourth proportional to 37,415.12, 51,638.04 and 21,499.22 is: 29,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,415.12 : 51,638.04 = 21,499.22 : x
  2. Step 2: Convert to fraction form
    37,415.12/51,638.04 = 21,499.22/x
  3. Step 3: Cross multiply
    37,415.12x = 51,638.04 × 21,499.22
  4. Step 4: Simplify right side
    37,415.12x = 1,110,177,711.42
  5. Step 5: Solve for x
    x = 1,110,177,711.42/37,415.12
  6. Step 6: Final answer
    x = 29,671.90

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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.