Home / 48,627.58-72,951.20-20,547.72

Finding the Fourth Proportional to 48,627.58, 72,951.20 and 20,547.72

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Solution

The fourth proportional to 48,627.58, 72,951.20 and 20,547.72 is: 30,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,627.58 : 72,951.20 = 20,547.72 : x
  2. Step 2: Convert to fraction form
    48,627.58/72,951.20 = 20,547.72/x
  3. Step 3: Cross multiply
    48,627.58x = 72,951.20 × 20,547.72
  4. Step 4: Simplify right side
    48,627.58x = 1,498,980,466.51
  5. Step 5: Solve for x
    x = 1,498,980,466.51/48,627.58
  6. Step 6: Final answer
    x = 30,825.73

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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.