Home / 29,602.78-40,851.32-16,173.70

Finding the Fourth Proportional to 29,602.78, 40,851.32 and 16,173.70

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Solution

The fourth proportional to 29,602.78, 40,851.32 and 16,173.70 is: 22,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,602.78 : 40,851.32 = 16,173.70 : x
  2. Step 2: Convert to fraction form
    29,602.78/40,851.32 = 16,173.70/x
  3. Step 3: Cross multiply
    29,602.78x = 40,851.32 × 16,173.70
  4. Step 4: Simplify right side
    29,602.78x = 660,716,811.29
  5. Step 5: Solve for x
    x = 660,716,811.29/29,602.78
  6. Step 6: Final answer
    x = 22,319.42

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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.