Home / 47,815.55-71,657.70-30,253.94

Finding the Fourth Proportional to 47,815.55, 71,657.70 and 30,253.94

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Solution

The fourth proportional to 47,815.55, 71,657.70 and 30,253.94 is: 45,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,815.55 : 71,657.70 = 30,253.94 : x
  2. Step 2: Convert to fraction form
    47,815.55/71,657.70 = 30,253.94/x
  3. Step 3: Cross multiply
    47,815.55x = 71,657.70 × 30,253.94
  4. Step 4: Simplify right side
    47,815.55x = 2,167,927,756.34
  5. Step 5: Solve for x
    x = 2,167,927,756.34/47,815.55
  6. Step 6: Final answer
    x = 45,339.39

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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.