Home / 48,258.54-72,416.25-20,176.47

Finding the Fourth Proportional to 48,258.54, 72,416.25 and 20,176.47

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Solution

The fourth proportional to 48,258.54, 72,416.25 and 20,176.47 is: 30,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,258.54 : 72,416.25 = 20,176.47 : x
  2. Step 2: Convert to fraction form
    48,258.54/72,416.25 = 20,176.47/x
  3. Step 3: Cross multiply
    48,258.54x = 72,416.25 × 20,176.47
  4. Step 4: Simplify right side
    48,258.54x = 1,461,104,295.64
  5. Step 5: Solve for x
    x = 1,461,104,295.64/48,258.54
  6. Step 6: Final answer
    x = 30,276.60

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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.