Home / 36,643.55-54,801.30-30,738.65

Finding the Fourth Proportional to 36,643.55, 54,801.30 and 30,738.65

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Solution

The fourth proportional to 36,643.55, 54,801.30 and 30,738.65 is: 45,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,643.55 : 54,801.30 = 30,738.65 : x
  2. Step 2: Convert to fraction form
    36,643.55/54,801.30 = 30,738.65/x
  3. Step 3: Cross multiply
    36,643.55x = 54,801.30 × 30,738.65
  4. Step 4: Simplify right side
    36,643.55x = 1,684,517,980.25
  5. Step 5: Solve for x
    x = 1,684,517,980.25/36,643.55
  6. Step 6: Final answer
    x = 45,970.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.