Home / 45,285.90-67,956.48-28,622.99

Finding the Fourth Proportional to 45,285.90, 67,956.48 and 28,622.99

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Solution

The fourth proportional to 45,285.90, 67,956.48 and 28,622.99 is: 42,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,285.90 : 67,956.48 = 28,622.99 : x
  2. Step 2: Convert to fraction form
    45,285.90/67,956.48 = 28,622.99/x
  3. Step 3: Cross multiply
    45,285.90x = 67,956.48 × 28,622.99
  4. Step 4: Simplify right side
    45,285.90x = 1,945,117,307.69
  5. Step 5: Solve for x
    x = 1,945,117,307.69/45,285.90
  6. Step 6: Final answer
    x = 42,951.94

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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.