Home / 29,089.01-40,138.45-16,339.75

Finding the Fourth Proportional to 29,089.01, 40,138.45 and 16,339.75

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Solution

The fourth proportional to 29,089.01, 40,138.45 and 16,339.75 is: 22,546.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.01 : 40,138.45 = 16,339.75 : x
  2. Step 2: Convert to fraction form
    29,089.01/40,138.45 = 16,339.75/x
  3. Step 3: Cross multiply
    29,089.01x = 40,138.45 × 16,339.75
  4. Step 4: Simplify right side
    29,089.01x = 655,852,238.39
  5. Step 5: Solve for x
    x = 655,852,238.39/29,089.01
  6. Step 6: Final answer
    x = 22,546.39

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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.