Home / 53,769.02-80,653.35-13,787.96

Finding the Fourth Proportional to 53,769.02, 80,653.35 and 13,787.96

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Solution

The fourth proportional to 53,769.02, 80,653.35 and 13,787.96 is: 20,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,769.02 : 80,653.35 = 13,787.96 : x
  2. Step 2: Convert to fraction form
    53,769.02/80,653.35 = 13,787.96/x
  3. Step 3: Cross multiply
    53,769.02x = 80,653.35 × 13,787.96
  4. Step 4: Simplify right side
    53,769.02x = 1,112,045,163.67
  5. Step 5: Solve for x
    x = 1,112,045,163.67/53,769.02
  6. Step 6: Final answer
    x = 20,681.89

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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.