Home / 38,458.80-57,688.20-23,619.60

Finding the Fourth Proportional to 38,458.80, 57,688.20 and 23,619.60

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Solution

The fourth proportional to 38,458.80, 57,688.20 and 23,619.60 is: 35,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,458.80 : 57,688.20 = 23,619.60 : x
  2. Step 2: Convert to fraction form
    38,458.80/57,688.20 = 23,619.60/x
  3. Step 3: Cross multiply
    38,458.80x = 57,688.20 × 23,619.60
  4. Step 4: Simplify right side
    38,458.80x = 1,362,572,208.72
  5. Step 5: Solve for x
    x = 1,362,572,208.72/38,458.80
  6. Step 6: Final answer
    x = 35,429.40

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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.