Home / 29,331.68-40,477.20-16,754.72

Finding the Fourth Proportional to 29,331.68, 40,477.20 and 16,754.72

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Solution

The fourth proportional to 29,331.68, 40,477.20 and 16,754.72 is: 23,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.68 : 40,477.20 = 16,754.72 : x
  2. Step 2: Convert to fraction form
    29,331.68/40,477.20 = 16,754.72/x
  3. Step 3: Cross multiply
    29,331.68x = 40,477.20 × 16,754.72
  4. Step 4: Simplify right side
    29,331.68x = 678,184,152.38
  5. Step 5: Solve for x
    x = 678,184,152.38/29,331.68
  6. Step 6: Final answer
    x = 23,121.22

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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.