Home / 35,980.08-49,652.60-20,065.56

Finding the Fourth Proportional to 35,980.08, 49,652.60 and 20,065.56

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Solution

The fourth proportional to 35,980.08, 49,652.60 and 20,065.56 is: 27,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,980.08 : 49,652.60 = 20,065.56 : x
  2. Step 2: Convert to fraction form
    35,980.08/49,652.60 = 20,065.56/x
  3. Step 3: Cross multiply
    35,980.08x = 49,652.60 × 20,065.56
  4. Step 4: Simplify right side
    35,980.08x = 996,306,937.93
  5. Step 5: Solve for x
    x = 996,306,937.93/35,980.08
  6. Step 6: Final answer
    x = 27,690.51

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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.