Home / 55,534.56-83,281.02-19,986.22

Finding the Fourth Proportional to 55,534.56, 83,281.02 and 19,986.22

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Solution

The fourth proportional to 55,534.56, 83,281.02 and 19,986.22 is: 29,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,534.56 : 83,281.02 = 19,986.22 : x
  2. Step 2: Convert to fraction form
    55,534.56/83,281.02 = 19,986.22/x
  3. Step 3: Cross multiply
    55,534.56x = 83,281.02 × 19,986.22
  4. Step 4: Simplify right side
    55,534.56x = 1,664,472,787.54
  5. Step 5: Solve for x
    x = 1,664,472,787.54/55,534.56
  6. Step 6: Final answer
    x = 29,971.84

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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.