Home / 32,650.71-45,050.11-20,709.69

Finding the Fourth Proportional to 32,650.71, 45,050.11 and 20,709.69

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Solution

The fourth proportional to 32,650.71, 45,050.11 and 20,709.69 is: 28,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,650.71 : 45,050.11 = 20,709.69 : x
  2. Step 2: Convert to fraction form
    32,650.71/45,050.11 = 20,709.69/x
  3. Step 3: Cross multiply
    32,650.71x = 45,050.11 × 20,709.69
  4. Step 4: Simplify right side
    32,650.71x = 932,973,812.57
  5. Step 5: Solve for x
    x = 932,973,812.57/32,650.71
  6. Step 6: Final answer
    x = 28,574.38

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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.