Home / 56,193.05-84,301.89-21,132.69

Finding the Fourth Proportional to 56,193.05, 84,301.89 and 21,132.69

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Solution

The fourth proportional to 56,193.05, 84,301.89 and 21,132.69 is: 31,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,193.05 : 84,301.89 = 21,132.69 : x
  2. Step 2: Convert to fraction form
    56,193.05/84,301.89 = 21,132.69/x
  3. Step 3: Cross multiply
    56,193.05x = 84,301.89 × 21,132.69
  4. Step 4: Simplify right side
    56,193.05x = 1,781,525,707.78
  5. Step 5: Solve for x
    x = 1,781,525,707.78/56,193.05
  6. Step 6: Final answer
    x = 31,703.67

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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.