Home / 51,352.65-77,029.14-15,813.77

Finding the Fourth Proportional to 51,352.65, 77,029.14 and 15,813.77

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Solution

The fourth proportional to 51,352.65, 77,029.14 and 15,813.77 is: 23,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,352.65 : 77,029.14 = 15,813.77 : x
  2. Step 2: Convert to fraction form
    51,352.65/77,029.14 = 15,813.77/x
  3. Step 3: Cross multiply
    51,352.65x = 77,029.14 × 15,813.77
  4. Step 4: Simplify right side
    51,352.65x = 1,218,120,777.41
  5. Step 5: Solve for x
    x = 1,218,120,777.41/51,352.65
  6. Step 6: Final answer
    x = 23,720.70

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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.