Home / 56,140.90-84,212.70-16,699.30

Finding the Fourth Proportional to 56,140.90, 84,212.70 and 16,699.30

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Solution

The fourth proportional to 56,140.90, 84,212.70 and 16,699.30 is: 25,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,140.90 : 84,212.70 = 16,699.30 : x
  2. Step 2: Convert to fraction form
    56,140.90/84,212.70 = 16,699.30/x
  3. Step 3: Cross multiply
    56,140.90x = 84,212.70 × 16,699.30
  4. Step 4: Simplify right side
    56,140.90x = 1,406,293,141.11
  5. Step 5: Solve for x
    x = 1,406,293,141.11/56,140.90
  6. Step 6: Final answer
    x = 25,049.35

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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.