Home / 35,653.09-49,206.46-20,542.84

Finding the Fourth Proportional to 35,653.09, 49,206.46 and 20,542.84

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Solution

The fourth proportional to 35,653.09, 49,206.46 and 20,542.84 is: 28,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,653.09 : 49,206.46 = 20,542.84 : x
  2. Step 2: Convert to fraction form
    35,653.09/49,206.46 = 20,542.84/x
  3. Step 3: Cross multiply
    35,653.09x = 49,206.46 × 20,542.84
  4. Step 4: Simplify right side
    35,653.09x = 1,010,840,434.75
  5. Step 5: Solve for x
    x = 1,010,840,434.75/35,653.09
  6. Step 6: Final answer
    x = 28,352.11

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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.