Home / 35,991.68-49,666.38-20,883.18

Finding the Fourth Proportional to 35,991.68, 49,666.38 and 20,883.18

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Solution

The fourth proportional to 35,991.68, 49,666.38 and 20,883.18 is: 28,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,991.68 : 49,666.38 = 20,883.18 : x
  2. Step 2: Convert to fraction form
    35,991.68/49,666.38 = 20,883.18/x
  3. Step 3: Cross multiply
    35,991.68x = 49,666.38 × 20,883.18
  4. Step 4: Simplify right side
    35,991.68x = 1,037,191,953.49
  5. Step 5: Solve for x
    x = 1,037,191,953.49/35,991.68
  6. Step 6: Final answer
    x = 28,817.55

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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.