Home / 29,620.17-40,875.27-16,190.78

Finding the Fourth Proportional to 29,620.17, 40,875.27 and 16,190.78

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Solution

The fourth proportional to 29,620.17, 40,875.27 and 16,190.78 is: 22,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,620.17 : 40,875.27 = 16,190.78 : x
  2. Step 2: Convert to fraction form
    29,620.17/40,875.27 = 16,190.78/x
  3. Step 3: Cross multiply
    29,620.17x = 40,875.27 × 16,190.78
  4. Step 4: Simplify right side
    29,620.17x = 661,802,299.63
  5. Step 5: Solve for x
    x = 661,802,299.63/29,620.17
  6. Step 6: Final answer
    x = 22,342.96

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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.