Home / 39,915.66-55,085.94-22,014.48

Finding the Fourth Proportional to 39,915.66, 55,085.94 and 22,014.48

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Solution

The fourth proportional to 39,915.66, 55,085.94 and 22,014.48 is: 30,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.66 : 55,085.94 = 22,014.48 : x
  2. Step 2: Convert to fraction form
    39,915.66/55,085.94 = 22,014.48/x
  3. Step 3: Cross multiply
    39,915.66x = 55,085.94 × 22,014.48
  4. Step 4: Simplify right side
    39,915.66x = 1,212,688,324.41
  5. Step 5: Solve for x
    x = 1,212,688,324.41/39,915.66
  6. Step 6: Final answer
    x = 30,381.27

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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.