Home / 52,252.98-78,386.30-18,968.19

Finding the Fourth Proportional to 52,252.98, 78,386.30 and 18,968.19

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Solution

The fourth proportional to 52,252.98, 78,386.30 and 18,968.19 is: 28,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,252.98 : 78,386.30 = 18,968.19 : x
  2. Step 2: Convert to fraction form
    52,252.98/78,386.30 = 18,968.19/x
  3. Step 3: Cross multiply
    52,252.98x = 78,386.30 × 18,968.19
  4. Step 4: Simplify right side
    52,252.98x = 1,486,846,136.96
  5. Step 5: Solve for x
    x = 1,486,846,136.96/52,252.98
  6. Step 6: Final answer
    x = 28,454.76

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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.