Home / 47,756.59-71,610.16-21,438.67

Finding the Fourth Proportional to 47,756.59, 71,610.16 and 21,438.67

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Solution

The fourth proportional to 47,756.59, 71,610.16 and 21,438.67 is: 32,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,756.59 : 71,610.16 = 21,438.67 : x
  2. Step 2: Convert to fraction form
    47,756.59/71,610.16 = 21,438.67/x
  3. Step 3: Cross multiply
    47,756.59x = 71,610.16 × 21,438.67
  4. Step 4: Simplify right side
    47,756.59x = 1,535,226,588.89
  5. Step 5: Solve for x
    x = 1,535,226,588.89/47,756.59
  6. Step 6: Final answer
    x = 32,146.91

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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.