Home / 38,254.48-57,258.87-20,440.60

Finding the Fourth Proportional to 38,254.48, 57,258.87 and 20,440.60

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Solution

The fourth proportional to 38,254.48, 57,258.87 and 20,440.60 is: 30,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.48 : 57,258.87 = 20,440.60 : x
  2. Step 2: Convert to fraction form
    38,254.48/57,258.87 = 20,440.60/x
  3. Step 3: Cross multiply
    38,254.48x = 57,258.87 × 20,440.60
  4. Step 4: Simplify right side
    38,254.48x = 1,170,405,658.12
  5. Step 5: Solve for x
    x = 1,170,405,658.12/38,254.48
  6. Step 6: Final answer
    x = 30,595.26

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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.