Home / 43,040.05-59,374.78-28,706.50

Finding the Fourth Proportional to 43,040.05, 59,374.78 and 28,706.50

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Solution

The fourth proportional to 43,040.05, 59,374.78 and 28,706.50 is: 39,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,040.05 : 59,374.78 = 28,706.50 : x
  2. Step 2: Convert to fraction form
    43,040.05/59,374.78 = 28,706.50/x
  3. Step 3: Cross multiply
    43,040.05x = 59,374.78 × 28,706.50
  4. Step 4: Simplify right side
    43,040.05x = 1,704,442,122.07
  5. Step 5: Solve for x
    x = 1,704,442,122.07/43,040.05
  6. Step 6: Final answer
    x = 39,601.30

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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.