Home / 36,438.04-50,288.08-21,329.79

Finding the Fourth Proportional to 36,438.04, 50,288.08 and 21,329.79

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Solution

The fourth proportional to 36,438.04, 50,288.08 and 21,329.79 is: 29,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.04 : 50,288.08 = 21,329.79 : x
  2. Step 2: Convert to fraction form
    36,438.04/50,288.08 = 21,329.79/x
  3. Step 3: Cross multiply
    36,438.04x = 50,288.08 × 21,329.79
  4. Step 4: Simplify right side
    36,438.04x = 1,072,634,185.90
  5. Step 5: Solve for x
    x = 1,072,634,185.90/36,438.04
  6. Step 6: Final answer
    x = 29,437.21

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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.