Home / 38,111.10-57,172.74-15,913.05

Finding the Fourth Proportional to 38,111.10, 57,172.74 and 15,913.05

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Solution

The fourth proportional to 38,111.10, 57,172.74 and 15,913.05 is: 23,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,111.10 : 57,172.74 = 15,913.05 : x
  2. Step 2: Convert to fraction form
    38,111.10/57,172.74 = 15,913.05/x
  3. Step 3: Cross multiply
    38,111.10x = 57,172.74 × 15,913.05
  4. Step 4: Simplify right side
    38,111.10x = 909,792,670.26
  5. Step 5: Solve for x
    x = 909,792,670.26/38,111.10
  6. Step 6: Final answer
    x = 23,872.12

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1.5x scale

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.