Home / 30,951.41-46,420.43-15,140.03

Finding the Fourth Proportional to 30,951.41, 46,420.43 and 15,140.03

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Solution

The fourth proportional to 30,951.41, 46,420.43 and 15,140.03 is: 22,706.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,951.41 : 46,420.43 = 15,140.03 : x
  2. Step 2: Convert to fraction form
    30,951.41/46,420.43 = 15,140.03/x
  3. Step 3: Cross multiply
    30,951.41x = 46,420.43 × 15,140.03
  4. Step 4: Simplify right side
    30,951.41x = 702,806,395.01
  5. Step 5: Solve for x
    x = 702,806,395.01/30,951.41
  6. Step 6: Final answer
    x = 22,706.77

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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.