Home / 56,538.12-78,014.88-33,872.04

Finding the Fourth Proportional to 56,538.12, 78,014.88 and 33,872.04

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Solution

The fourth proportional to 56,538.12, 78,014.88 and 33,872.04 is: 46,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,538.12 : 78,014.88 = 33,872.04 : x
  2. Step 2: Convert to fraction form
    56,538.12/78,014.88 = 33,872.04/x
  3. Step 3: Cross multiply
    56,538.12x = 78,014.88 × 33,872.04
  4. Step 4: Simplify right side
    56,538.12x = 2,642,523,135.96
  5. Step 5: Solve for x
    x = 2,642,523,135.96/56,538.12
  6. Step 6: Final answer
    x = 46,738.79

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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.