Home / 46,716.48-70,099.32-20,439.68

Finding the Fourth Proportional to 46,716.48, 70,099.32 and 20,439.68

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Solution

The fourth proportional to 46,716.48, 70,099.32 and 20,439.68 is: 30,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,716.48 : 70,099.32 = 20,439.68 : x
  2. Step 2: Convert to fraction form
    46,716.48/70,099.32 = 20,439.68/x
  3. Step 3: Cross multiply
    46,716.48x = 70,099.32 × 20,439.68
  4. Step 4: Simplify right side
    46,716.48x = 1,432,807,395.17
  5. Step 5: Solve for x
    x = 1,432,807,395.17/46,716.48
  6. Step 6: Final answer
    x = 30,670.28

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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.