Home / 45,369.08-68,053.73-13,779.39

Finding the Fourth Proportional to 45,369.08, 68,053.73 and 13,779.39

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Solution

The fourth proportional to 45,369.08, 68,053.73 and 13,779.39 is: 20,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,369.08 : 68,053.73 = 13,779.39 : x
  2. Step 2: Convert to fraction form
    45,369.08/68,053.73 = 13,779.39/x
  3. Step 3: Cross multiply
    45,369.08x = 68,053.73 × 13,779.39
  4. Step 4: Simplify right side
    45,369.08x = 937,738,817.73
  5. Step 5: Solve for x
    x = 937,738,817.73/45,369.08
  6. Step 6: Final answer
    x = 20,669.12

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1.5x scale

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.