Home / 29,435.20-40,619.34-16,689.24

Finding the Fourth Proportional to 29,435.20, 40,619.34 and 16,689.24

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Solution

The fourth proportional to 29,435.20, 40,619.34 and 16,689.24 is: 23,030.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,435.20 : 40,619.34 = 16,689.24 : x
  2. Step 2: Convert to fraction form
    29,435.20/40,619.34 = 16,689.24/x
  3. Step 3: Cross multiply
    29,435.20x = 40,619.34 × 16,689.24
  4. Step 4: Simplify right side
    29,435.20x = 677,905,627.36
  5. Step 5: Solve for x
    x = 677,905,627.36/29,435.20
  6. Step 6: Final answer
    x = 23,030.44

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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.