Home / 47,771.40-71,657.70-14,491.80

Finding the Fourth Proportional to 47,771.40, 71,657.70 and 14,491.80

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Solution

The fourth proportional to 47,771.40, 71,657.70 and 14,491.80 is: 21,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,771.40 : 71,657.70 = 14,491.80 : x
  2. Step 2: Convert to fraction form
    47,771.40/71,657.70 = 14,491.80/x
  3. Step 3: Cross multiply
    47,771.40x = 71,657.70 × 14,491.80
  4. Step 4: Simplify right side
    47,771.40x = 1,038,449,056.86
  5. Step 5: Solve for x
    x = 1,038,449,056.86/47,771.40
  6. Step 6: Final answer
    x = 21,737.88

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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.