Home / 29,146.88-43,720.32-13,556

Finding the Fourth Proportional to 29,146.88, 43,720.32 and 13,556

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Solution

The fourth proportional to 29,146.88, 43,720.32 and 13,556 is: 20,334.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,146.88 : 43,720.32 = 13,556 : x
  2. Step 2: Convert to fraction form
    29,146.88/43,720.32 = 13,556/x
  3. Step 3: Cross multiply
    29,146.88x = 43,720.32 × 13,556
  4. Step 4: Simplify right side
    29,146.88x = 592,672,657.92
  5. Step 5: Solve for x
    x = 592,672,657.92/29,146.88
  6. Step 6: Final answer
    x = 20,334.00

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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.