Home / 35,316.50-48,740.20-20,211.32

Finding the Fourth Proportional to 35,316.50, 48,740.20 and 20,211.32

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Solution

The fourth proportional to 35,316.50, 48,740.20 and 20,211.32 is: 27,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,316.50 : 48,740.20 = 20,211.32 : x
  2. Step 2: Convert to fraction form
    35,316.50/48,740.20 = 20,211.32/x
  3. Step 3: Cross multiply
    35,316.50x = 48,740.20 × 20,211.32
  4. Step 4: Simplify right side
    35,316.50x = 985,103,434.31
  5. Step 5: Solve for x
    x = 985,103,434.31/35,316.50
  6. Step 6: Final answer
    x = 27,893.58

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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.