Home / 53,697.18-80,539.59-14,257.38

Finding the Fourth Proportional to 53,697.18, 80,539.59 and 14,257.38

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Solution

The fourth proportional to 53,697.18, 80,539.59 and 14,257.38 is: 21,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,697.18 : 80,539.59 = 14,257.38 : x
  2. Step 2: Convert to fraction form
    53,697.18/80,539.59 = 14,257.38/x
  3. Step 3: Cross multiply
    53,697.18x = 80,539.59 × 14,257.38
  4. Step 4: Simplify right side
    53,697.18x = 1,148,283,539.67
  5. Step 5: Solve for x
    x = 1,148,283,539.67/53,697.18
  6. Step 6: Final answer
    x = 21,384.43

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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.