Home / 56,457.04-84,696.88-19,015.60

Finding the Fourth Proportional to 56,457.04, 84,696.88 and 19,015.60

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Solution

The fourth proportional to 56,457.04, 84,696.88 and 19,015.60 is: 28,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,457.04 : 84,696.88 = 19,015.60 : x
  2. Step 2: Convert to fraction form
    56,457.04/84,696.88 = 19,015.60/x
  3. Step 3: Cross multiply
    56,457.04x = 84,696.88 × 19,015.60
  4. Step 4: Simplify right side
    56,457.04x = 1,610,561,991.33
  5. Step 5: Solve for x
    x = 1,610,561,991.33/56,457.04
  6. Step 6: Final answer
    x = 28,527.21

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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.