Home / 47,378.46-71,055.30-14,089.56

Finding the Fourth Proportional to 47,378.46, 71,055.30 and 14,089.56

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Solution

The fourth proportional to 47,378.46, 71,055.30 and 14,089.56 is: 21,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,378.46 : 71,055.30 = 14,089.56 : x
  2. Step 2: Convert to fraction form
    47,378.46/71,055.30 = 14,089.56/x
  3. Step 3: Cross multiply
    47,378.46x = 71,055.30 × 14,089.56
  4. Step 4: Simplify right side
    47,378.46x = 1,001,137,912.67
  5. Step 5: Solve for x
    x = 1,001,137,912.67/47,378.46
  6. Step 6: Final answer
    x = 21,130.66

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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.