Home / 35,981.64-49,652.73-20,065.71

Finding the Fourth Proportional to 35,981.64, 49,652.73 and 20,065.71

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Solution

The fourth proportional to 35,981.64, 49,652.73 and 20,065.71 is: 27,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.64 : 49,652.73 = 20,065.71 : x
  2. Step 2: Convert to fraction form
    35,981.64/49,652.73 = 20,065.71/x
  3. Step 3: Cross multiply
    35,981.64x = 49,652.73 × 20,065.71
  4. Step 4: Simplify right side
    35,981.64x = 996,317,280.89
  5. Step 5: Solve for x
    x = 996,317,280.89/35,981.64
  6. Step 6: Final answer
    x = 27,689.60

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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.