Home / 39,815.18-59,680.86-20,052.22

Finding the Fourth Proportional to 39,815.18, 59,680.86 and 20,052.22

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Solution

The fourth proportional to 39,815.18, 59,680.86 and 20,052.22 is: 30,057.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,815.18 : 59,680.86 = 20,052.22 : x
  2. Step 2: Convert to fraction form
    39,815.18/59,680.86 = 20,052.22/x
  3. Step 3: Cross multiply
    39,815.18x = 59,680.86 × 20,052.22
  4. Step 4: Simplify right side
    39,815.18x = 1,196,733,734.51
  5. Step 5: Solve for x
    x = 1,196,733,734.51/39,815.18
  6. Step 6: Final answer
    x = 30,057.22

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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.