Home / 50,429.26-75,643.36-12,989.18

Finding the Fourth Proportional to 50,429.26, 75,643.36 and 12,989.18

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Solution

The fourth proportional to 50,429.26, 75,643.36 and 12,989.18 is: 19,483.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,429.26 : 75,643.36 = 12,989.18 : x
  2. Step 2: Convert to fraction form
    50,429.26/75,643.36 = 12,989.18/x
  3. Step 3: Cross multiply
    50,429.26x = 75,643.36 × 12,989.18
  4. Step 4: Simplify right side
    50,429.26x = 982,544,808.16
  5. Step 5: Solve for x
    x = 982,544,808.16/50,429.26
  6. Step 6: Final answer
    x = 19,483.63

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1.5x scale

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.