Home / 38,055.36-57,083.04-20,635.50

Finding the Fourth Proportional to 38,055.36, 57,083.04 and 20,635.50

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Solution

The fourth proportional to 38,055.36, 57,083.04 and 20,635.50 is: 30,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,055.36 : 57,083.04 = 20,635.50 : x
  2. Step 2: Convert to fraction form
    38,055.36/57,083.04 = 20,635.50/x
  3. Step 3: Cross multiply
    38,055.36x = 57,083.04 × 20,635.50
  4. Step 4: Simplify right side
    38,055.36x = 1,177,937,071.92
  5. Step 5: Solve for x
    x = 1,177,937,071.92/38,055.36
  6. Step 6: Final answer
    x = 30,953.25

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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.