Home / 29,820.30-41,148.48-16,389.36

Finding the Fourth Proportional to 29,820.30, 41,148.48 and 16,389.36

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Solution

The fourth proportional to 29,820.30, 41,148.48 and 16,389.36 is: 22,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.30 : 41,148.48 = 16,389.36 : x
  2. Step 2: Convert to fraction form
    29,820.30/41,148.48 = 16,389.36/x
  3. Step 3: Cross multiply
    29,820.30x = 41,148.48 × 16,389.36
  4. Step 4: Simplify right side
    29,820.30x = 674,397,252.17
  5. Step 5: Solve for x
    x = 674,397,252.17/29,820.30
  6. Step 6: Final answer
    x = 22,615.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.