Home / 31,779.84-43,855.74-17,632.74

Finding the Fourth Proportional to 31,779.84, 43,855.74 and 17,632.74

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Solution

The fourth proportional to 31,779.84, 43,855.74 and 17,632.74 is: 24,332.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779.84 : 43,855.74 = 17,632.74 : x
  2. Step 2: Convert to fraction form
    31,779.84/43,855.74 = 17,632.74/x
  3. Step 3: Cross multiply
    31,779.84x = 43,855.74 × 17,632.74
  4. Step 4: Simplify right side
    31,779.84x = 773,296,860.93
  5. Step 5: Solve for x
    x = 773,296,860.93/31,779.84
  6. Step 6: Final answer
    x = 24,332.94

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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.