Home / 49,561.44-74,342.16-21,878.88

Finding the Fourth Proportional to 49,561.44, 74,342.16 and 21,878.88

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Solution

The fourth proportional to 49,561.44, 74,342.16 and 21,878.88 is: 32,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,561.44 : 74,342.16 = 21,878.88 : x
  2. Step 2: Convert to fraction form
    49,561.44/74,342.16 = 21,878.88/x
  3. Step 3: Cross multiply
    49,561.44x = 74,342.16 × 21,878.88
  4. Step 4: Simplify right side
    49,561.44x = 1,626,523,197.58
  5. Step 5: Solve for x
    x = 1,626,523,197.58/49,561.44
  6. Step 6: Final answer
    x = 32,818.32

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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.