Home / 35,423.60-48,883.64-20,325.20

Finding the Fourth Proportional to 35,423.60, 48,883.64 and 20,325.20

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Solution

The fourth proportional to 35,423.60, 48,883.64 and 20,325.20 is: 28,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,423.60 : 48,883.64 = 20,325.20 : x
  2. Step 2: Convert to fraction form
    35,423.60/48,883.64 = 20,325.20/x
  3. Step 3: Cross multiply
    35,423.60x = 48,883.64 × 20,325.20
  4. Step 4: Simplify right side
    35,423.60x = 993,569,413.68
  5. Step 5: Solve for x
    x = 993,569,413.68/35,423.60
  6. Step 6: Final answer
    x = 28,048.24

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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.