Home / 32,911.47-45,408.74-19,108.80

Finding the Fourth Proportional to 32,911.47, 45,408.74 and 19,108.80

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Solution

The fourth proportional to 32,911.47, 45,408.74 and 19,108.80 is: 26,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,911.47 : 45,408.74 = 19,108.80 : x
  2. Step 2: Convert to fraction form
    32,911.47/45,408.74 = 19,108.80/x
  3. Step 3: Cross multiply
    32,911.47x = 45,408.74 × 19,108.80
  4. Step 4: Simplify right side
    32,911.47x = 867,706,435.37
  5. Step 5: Solve for x
    x = 867,706,435.37/32,911.47
  6. Step 6: Final answer
    x = 26,364.86

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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.