Home / 34,374.37-47,432.41-20,940.75

Finding the Fourth Proportional to 34,374.37, 47,432.41 and 20,940.75

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Solution

The fourth proportional to 34,374.37, 47,432.41 and 20,940.75 is: 28,895.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,374.37 : 47,432.41 = 20,940.75 : x
  2. Step 2: Convert to fraction form
    34,374.37/47,432.41 = 20,940.75/x
  3. Step 3: Cross multiply
    34,374.37x = 47,432.41 × 20,940.75
  4. Step 4: Simplify right side
    34,374.37x = 993,270,239.71
  5. Step 5: Solve for x
    x = 993,270,239.71/34,374.37
  6. Step 6: Final answer
    x = 28,895.66

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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.