Home / 29,121.63-40,187.84-16,548.81

Finding the Fourth Proportional to 29,121.63, 40,187.84 and 16,548.81

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Solution

The fourth proportional to 29,121.63, 40,187.84 and 16,548.81 is: 22,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.63 : 40,187.84 = 16,548.81 : x
  2. Step 2: Convert to fraction form
    29,121.63/40,187.84 = 16,548.81/x
  3. Step 3: Cross multiply
    29,121.63x = 40,187.84 × 16,548.81
  4. Step 4: Simplify right side
    29,121.63x = 665,060,928.47
  5. Step 5: Solve for x
    x = 665,060,928.47/29,121.63
  6. Step 6: Final answer
    x = 22,837.35

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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.