Home / 45,283.61-62,450.42-28,289.40

Finding the Fourth Proportional to 45,283.61, 62,450.42 and 28,289.40

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Solution

The fourth proportional to 45,283.61, 62,450.42 and 28,289.40 is: 39,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,283.61 : 62,450.42 = 28,289.40 : x
  2. Step 2: Convert to fraction form
    45,283.61/62,450.42 = 28,289.40/x
  3. Step 3: Cross multiply
    45,283.61x = 62,450.42 × 28,289.40
  4. Step 4: Simplify right side
    45,283.61x = 1,766,684,770.10
  5. Step 5: Solve for x
    x = 1,766,684,770.10/45,283.61
  6. Step 6: Final answer
    x = 39,013.78

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1.5x scale

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.