Home / 30,136.40-41,603.88-23,406.96

Finding the Fourth Proportional to 30,136.40, 41,603.88 and 23,406.96

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Solution

The fourth proportional to 30,136.40, 41,603.88 and 23,406.96 is: 32,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.40 : 41,603.88 = 23,406.96 : x
  2. Step 2: Convert to fraction form
    30,136.40/41,603.88 = 23,406.96/x
  3. Step 3: Cross multiply
    30,136.40x = 41,603.88 × 23,406.96
  4. Step 4: Simplify right side
    30,136.40x = 973,820,355.00
  5. Step 5: Solve for x
    x = 973,820,355.00/30,136.40
  6. Step 6: Final answer
    x = 32,313.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.