Home / 29,435.07-40,619.55-16,689.48

Finding the Fourth Proportional to 29,435.07, 40,619.55 and 16,689.48

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Solution

The fourth proportional to 29,435.07, 40,619.55 and 16,689.48 is: 23,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,435.07 : 40,619.55 = 16,689.48 : x
  2. Step 2: Convert to fraction form
    29,435.07/40,619.55 = 16,689.48/x
  3. Step 3: Cross multiply
    29,435.07x = 40,619.55 × 16,689.48
  4. Step 4: Simplify right side
    29,435.07x = 677,919,077.60
  5. Step 5: Solve for x
    x = 677,919,077.60/29,435.07
  6. Step 6: Final answer
    x = 23,031.00

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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.