Home / 30,683.40-46,052.10-18,187.80

Finding the Fourth Proportional to 30,683.40, 46,052.10 and 18,187.80

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Solution

The fourth proportional to 30,683.40, 46,052.10 and 18,187.80 is: 27,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683.40 : 46,052.10 = 18,187.80 : x
  2. Step 2: Convert to fraction form
    30,683.40/46,052.10 = 18,187.80/x
  3. Step 3: Cross multiply
    30,683.40x = 46,052.10 × 18,187.80
  4. Step 4: Simplify right side
    30,683.40x = 837,586,384.38
  5. Step 5: Solve for x
    x = 837,586,384.38/30,683.40
  6. Step 6: Final answer
    x = 27,297.70

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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.