Home / 51,460.65-71,017.16-28,800.50

Finding the Fourth Proportional to 51,460.65, 71,017.16 and 28,800.50

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Solution

The fourth proportional to 51,460.65, 71,017.16 and 28,800.50 is: 39,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,460.65 : 71,017.16 = 28,800.50 : x
  2. Step 2: Convert to fraction form
    51,460.65/71,017.16 = 28,800.50/x
  3. Step 3: Cross multiply
    51,460.65x = 71,017.16 × 28,800.50
  4. Step 4: Simplify right side
    51,460.65x = 2,045,329,217.49
  5. Step 5: Solve for x
    x = 2,045,329,217.49/51,460.65
  6. Step 6: Final answer
    x = 39,745.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.