Home / 35,984.51-49,661.05-20,877.17

Finding the Fourth Proportional to 35,984.51, 49,661.05 and 20,877.17

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Solution

The fourth proportional to 35,984.51, 49,661.05 and 20,877.17 is: 28,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,984.51 : 49,661.05 = 20,877.17 : x
  2. Step 2: Convert to fraction form
    35,984.51/49,661.05 = 20,877.17/x
  3. Step 3: Cross multiply
    35,984.51x = 49,661.05 × 20,877.17
  4. Step 4: Simplify right side
    35,984.51x = 1,036,782,359.57
  5. Step 5: Solve for x
    x = 1,036,782,359.57/35,984.51
  6. Step 6: Final answer
    x = 28,811.91

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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.