Home / 35,977.32-49,648.86-20,061.72

Finding the Fourth Proportional to 35,977.32, 49,648.86 and 20,061.72

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Solution

The fourth proportional to 35,977.32, 49,648.86 and 20,061.72 is: 27,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,977.32 : 49,648.86 = 20,061.72 : x
  2. Step 2: Convert to fraction form
    35,977.32/49,648.86 = 20,061.72/x
  3. Step 3: Cross multiply
    35,977.32x = 49,648.86 × 20,061.72
  4. Step 4: Simplify right side
    35,977.32x = 996,041,527.64
  5. Step 5: Solve for x
    x = 996,041,527.64/35,977.32
  6. Step 6: Final answer
    x = 27,685.26

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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.