Home / 39,902.20-59,814.90-31,012.60

Finding the Fourth Proportional to 39,902.20, 59,814.90 and 31,012.60

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Solution

The fourth proportional to 39,902.20, 59,814.90 and 31,012.60 is: 46,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,902.20 : 59,814.90 = 31,012.60 : x
  2. Step 2: Convert to fraction form
    39,902.20/59,814.90 = 31,012.60/x
  3. Step 3: Cross multiply
    39,902.20x = 59,814.90 × 31,012.60
  4. Step 4: Simplify right side
    39,902.20x = 1,855,015,567.74
  5. Step 5: Solve for x
    x = 1,855,015,567.74/39,902.20
  6. Step 6: Final answer
    x = 46,489.05

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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.