Home / 49,820.40-74,730.60-30,137.40

Finding the Fourth Proportional to 49,820.40, 74,730.60 and 30,137.40

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Solution

The fourth proportional to 49,820.40, 74,730.60 and 30,137.40 is: 45,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820.40 : 74,730.60 = 30,137.40 : x
  2. Step 2: Convert to fraction form
    49,820.40/74,730.60 = 30,137.40/x
  3. Step 3: Cross multiply
    49,820.40x = 74,730.60 × 30,137.40
  4. Step 4: Simplify right side
    49,820.40x = 2,252,185,984.44
  5. Step 5: Solve for x
    x = 2,252,185,984.44/49,820.40
  6. Step 6: Final answer
    x = 45,206.10

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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.