Home / 29,091.80-40,145.28-16,516.28

Finding the Fourth Proportional to 29,091.80, 40,145.28 and 16,516.28

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Solution

The fourth proportional to 29,091.80, 40,145.28 and 16,516.28 is: 22,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,091.80 : 40,145.28 = 16,516.28 : x
  2. Step 2: Convert to fraction form
    29,091.80/40,145.28 = 16,516.28/x
  3. Step 3: Cross multiply
    29,091.80x = 40,145.28 × 16,516.28
  4. Step 4: Simplify right side
    29,091.80x = 663,050,685.16
  5. Step 5: Solve for x
    x = 663,050,685.16/29,091.80
  6. Step 6: Final answer
    x = 22,791.67

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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.