Home / 32,806.11-45,271.13-19,381.69

Finding the Fourth Proportional to 32,806.11, 45,271.13 and 19,381.69

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Solution

The fourth proportional to 32,806.11, 45,271.13 and 19,381.69 is: 26,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,806.11 : 45,271.13 = 19,381.69 : x
  2. Step 2: Convert to fraction form
    32,806.11/45,271.13 = 19,381.69/x
  3. Step 3: Cross multiply
    32,806.11x = 45,271.13 × 19,381.69
  4. Step 4: Simplify right side
    32,806.11x = 877,431,007.61
  5. Step 5: Solve for x
    x = 877,431,007.61/32,806.11
  6. Step 6: Final answer
    x = 26,745.96

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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.