Home / 51,830.10-77,745.15-16,768.89

Finding the Fourth Proportional to 51,830.10, 77,745.15 and 16,768.89

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Solution

The fourth proportional to 51,830.10, 77,745.15 and 16,768.89 is: 25,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,830.10 : 77,745.15 = 16,768.89 : x
  2. Step 2: Convert to fraction form
    51,830.10/77,745.15 = 16,768.89/x
  3. Step 3: Cross multiply
    51,830.10x = 77,745.15 × 16,768.89
  4. Step 4: Simplify right side
    51,830.10x = 1,303,699,868.38
  5. Step 5: Solve for x
    x = 1,303,699,868.38/51,830.10
  6. Step 6: Final answer
    x = 25,153.34

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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.