Home / 35,078.08-48,424.58-20,740.36

Finding the Fourth Proportional to 35,078.08, 48,424.58 and 20,740.36

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Solution

The fourth proportional to 35,078.08, 48,424.58 and 20,740.36 is: 28,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,078.08 : 48,424.58 = 20,740.36 : x
  2. Step 2: Convert to fraction form
    35,078.08/48,424.58 = 20,740.36/x
  3. Step 3: Cross multiply
    35,078.08x = 48,424.58 × 20,740.36
  4. Step 4: Simplify right side
    35,078.08x = 1,004,343,222.05
  5. Step 5: Solve for x
    x = 1,004,343,222.05/35,078.08
  6. Step 6: Final answer
    x = 28,631.65

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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.