Home / 47,211.70-70,816.86-19,131.52

Finding the Fourth Proportional to 47,211.70, 70,816.86 and 19,131.52

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Solution

The fourth proportional to 47,211.70, 70,816.86 and 19,131.52 is: 28,697.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.70 : 70,816.86 = 19,131.52 : x
  2. Step 2: Convert to fraction form
    47,211.70/70,816.86 = 19,131.52/x
  3. Step 3: Cross multiply
    47,211.70x = 70,816.86 × 19,131.52
  4. Step 4: Simplify right side
    47,211.70x = 1,354,834,173.43
  5. Step 5: Solve for x
    x = 1,354,834,173.43/47,211.70
  6. Step 6: Final answer
    x = 28,697.00

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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.