Home / 47,948.95-71,923.43-21,288.67

Finding the Fourth Proportional to 47,948.95, 71,923.43 and 21,288.67

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Solution

The fourth proportional to 47,948.95, 71,923.43 and 21,288.67 is: 31,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,948.95 : 71,923.43 = 21,288.67 : x
  2. Step 2: Convert to fraction form
    47,948.95/71,923.43 = 21,288.67/x
  3. Step 3: Cross multiply
    47,948.95x = 71,923.43 × 21,288.67
  4. Step 4: Simplify right side
    47,948.95x = 1,531,154,166.54
  5. Step 5: Solve for x
    x = 1,531,154,166.54/47,948.95
  6. Step 6: Final answer
    x = 31,933.01

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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.