Home / 30,350.50-45,533.43-8,462.50

Finding the Fourth Proportional to 30,350.50, 45,533.43 and 8,462.50

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Solution

The fourth proportional to 30,350.50, 45,533.43 and 8,462.50 is: 12,695.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.50 : 45,533.43 = 8,462.50 : x
  2. Step 2: Convert to fraction form
    30,350.50/45,533.43 = 8,462.50/x
  3. Step 3: Cross multiply
    30,350.50x = 45,533.43 × 8,462.50
  4. Step 4: Simplify right side
    30,350.50x = 385,326,651.38
  5. Step 5: Solve for x
    x = 385,326,651.38/30,350.50
  6. Step 6: Final answer
    x = 12,695.89

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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.