Home / 57,912-86,868.36-16,359.36

Finding the Fourth Proportional to 57,912, 86,868.36 and 16,359.36

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Solution

The fourth proportional to 57,912, 86,868.36 and 16,359.36 is: 24,539.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,912 : 86,868.36 = 16,359.36 : x
  2. Step 2: Convert to fraction form
    57,912/86,868.36 = 16,359.36/x
  3. Step 3: Cross multiply
    57,912x = 86,868.36 × 16,359.36
  4. Step 4: Simplify right side
    57,912x = 1,421,110,773.85
  5. Step 5: Solve for x
    x = 1,421,110,773.85/57,912
  6. Step 6: Final answer
    x = 24,539.14

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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.