Home / 31,779.48-43,855.55-17,632.33

Finding the Fourth Proportional to 31,779.48, 43,855.55 and 17,632.33

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Solution

The fourth proportional to 31,779.48, 43,855.55 and 17,632.33 is: 24,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779.48 : 43,855.55 = 17,632.33 : x
  2. Step 2: Convert to fraction form
    31,779.48/43,855.55 = 17,632.33/x
  3. Step 3: Cross multiply
    31,779.48x = 43,855.55 × 17,632.33
  4. Step 4: Simplify right side
    31,779.48x = 773,275,332.13
  5. Step 5: Solve for x
    x = 773,275,332.13/31,779.48
  6. Step 6: Final answer
    x = 24,332.54

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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.