Home / 56,619.09-84,942.56-28,169.49

Finding the Fourth Proportional to 56,619.09, 84,942.56 and 28,169.49

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Solution

The fourth proportional to 56,619.09, 84,942.56 and 28,169.49 is: 42,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,619.09 : 84,942.56 = 28,169.49 : x
  2. Step 2: Convert to fraction form
    56,619.09/84,942.56 = 28,169.49/x
  3. Step 3: Cross multiply
    56,619.09x = 84,942.56 × 28,169.49
  4. Step 4: Simplify right side
    56,619.09x = 2,392,788,664.92
  5. Step 5: Solve for x
    x = 2,392,788,664.92/56,619.09
  6. Step 6: Final answer
    x = 42,261.16

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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.