Home / 29,478.31-40,675.49-16,900.63

Finding the Fourth Proportional to 29,478.31, 40,675.49 and 16,900.63

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Solution

The fourth proportional to 29,478.31, 40,675.49 and 16,900.63 is: 23,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,478.31 : 40,675.49 = 16,900.63 : x
  2. Step 2: Convert to fraction form
    29,478.31/40,675.49 = 16,900.63/x
  3. Step 3: Cross multiply
    29,478.31x = 40,675.49 × 16,900.63
  4. Step 4: Simplify right side
    29,478.31x = 687,441,406.56
  5. Step 5: Solve for x
    x = 687,441,406.56/29,478.31
  6. Step 6: Final answer
    x = 23,320.24

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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.