Home / 32,708.30-45,137.67-18,561.38

Finding the Fourth Proportional to 32,708.30, 45,137.67 and 18,561.38

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Solution

The fourth proportional to 32,708.30, 45,137.67 and 18,561.38 is: 25,614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,708.30 : 45,137.67 = 18,561.38 : x
  2. Step 2: Convert to fraction form
    32,708.30/45,137.67 = 18,561.38/x
  3. Step 3: Cross multiply
    32,708.30x = 45,137.67 × 18,561.38
  4. Step 4: Simplify right side
    32,708.30x = 837,817,445.18
  5. Step 5: Solve for x
    x = 837,817,445.18/32,708.30
  6. Step 6: Final answer
    x = 25,614.83

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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.