Home / 35,639.28-49,178.84-21,296.24

Finding the Fourth Proportional to 35,639.28, 49,178.84 and 21,296.24

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Solution

The fourth proportional to 35,639.28, 49,178.84 and 21,296.24 is: 29,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,639.28 : 49,178.84 = 21,296.24 : x
  2. Step 2: Convert to fraction form
    35,639.28/49,178.84 = 21,296.24/x
  3. Step 3: Cross multiply
    35,639.28x = 49,178.84 × 21,296.24
  4. Step 4: Simplify right side
    35,639.28x = 1,047,324,379.56
  5. Step 5: Solve for x
    x = 1,047,324,379.56/35,639.28
  6. Step 6: Final answer
    x = 29,386.80

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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.