Home / 55,914.41-83,868.90-20,851.34

Finding the Fourth Proportional to 55,914.41, 83,868.90 and 20,851.34

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Solution

The fourth proportional to 55,914.41, 83,868.90 and 20,851.34 is: 31,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,914.41 : 83,868.90 = 20,851.34 : x
  2. Step 2: Convert to fraction form
    55,914.41/83,868.90 = 20,851.34/x
  3. Step 3: Cross multiply
    55,914.41x = 83,868.90 × 20,851.34
  4. Step 4: Simplify right side
    55,914.41x = 1,748,778,949.33
  5. Step 5: Solve for x
    x = 1,748,778,949.33/55,914.41
  6. Step 6: Final answer
    x = 31,276.00

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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.