Home / 49,801.40-74,847.90-43,386.20

Finding the Fourth Proportional to 49,801.40, 74,847.90 and 43,386.20

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Solution

The fourth proportional to 49,801.40, 74,847.90 and 43,386.20 is: 65,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,801.40 : 74,847.90 = 43,386.20 : x
  2. Step 2: Convert to fraction form
    49,801.40/74,847.90 = 43,386.20/x
  3. Step 3: Cross multiply
    49,801.40x = 74,847.90 × 43,386.20
  4. Step 4: Simplify right side
    49,801.40x = 3,247,365,958.98
  5. Step 5: Solve for x
    x = 3,247,365,958.98/49,801.40
  6. Step 6: Final answer
    x = 65,206.32

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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.