Home / 47,718.40-71,555.11-17,711.84

Finding the Fourth Proportional to 47,718.40, 71,555.11 and 17,711.84

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Solution

The fourth proportional to 47,718.40, 71,555.11 and 17,711.84 is: 26,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,718.40 : 71,555.11 = 17,711.84 : x
  2. Step 2: Convert to fraction form
    47,718.40/71,555.11 = 17,711.84/x
  3. Step 3: Cross multiply
    47,718.40x = 71,555.11 × 17,711.84
  4. Step 4: Simplify right side
    47,718.40x = 1,267,372,570.94
  5. Step 5: Solve for x
    x = 1,267,372,570.94/47,718.40
  6. Step 6: Final answer
    x = 26,559.41

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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.