Home / 47,939.58-71,875.32-18,332.46

Finding the Fourth Proportional to 47,939.58, 71,875.32 and 18,332.46

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Solution

The fourth proportional to 47,939.58, 71,875.32 and 18,332.46 is: 27,485.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,939.58 : 71,875.32 = 18,332.46 : x
  2. Step 2: Convert to fraction form
    47,939.58/71,875.32 = 18,332.46/x
  3. Step 3: Cross multiply
    47,939.58x = 71,875.32 × 18,332.46
  4. Step 4: Simplify right side
    47,939.58x = 1,317,651,428.89
  5. Step 5: Solve for x
    x = 1,317,651,428.89/47,939.58
  6. Step 6: Final answer
    x = 27,485.67

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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.