Home / 52,030.40-78,037.68-16,970

Finding the Fourth Proportional to 52,030.40, 78,037.68 and 16,970

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Solution

The fourth proportional to 52,030.40, 78,037.68 and 16,970 is: 25,452.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,030.40 : 78,037.68 = 16,970 : x
  2. Step 2: Convert to fraction form
    52,030.40/78,037.68 = 16,970/x
  3. Step 3: Cross multiply
    52,030.40x = 78,037.68 × 16,970
  4. Step 4: Simplify right side
    52,030.40x = 1,324,299,429.60
  5. Step 5: Solve for x
    x = 1,324,299,429.60/52,030.40
  6. Step 6: Final answer
    x = 25,452.42

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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.