Home / 37,982.10-56,973.15-11,686.80

Finding the Fourth Proportional to 37,982.10, 56,973.15 and 11,686.80

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Solution

The fourth proportional to 37,982.10, 56,973.15 and 11,686.80 is: 17,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,982.10 : 56,973.15 = 11,686.80 : x
  2. Step 2: Convert to fraction form
    37,982.10/56,973.15 = 11,686.80/x
  3. Step 3: Cross multiply
    37,982.10x = 56,973.15 × 11,686.80
  4. Step 4: Simplify right side
    37,982.10x = 665,833,809.42
  5. Step 5: Solve for x
    x = 665,833,809.42/37,982.10
  6. Step 6: Final answer
    x = 17,530.20

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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.