Home / 31,779.65-43,851.12-17,632.55

Finding the Fourth Proportional to 31,779.65, 43,851.12 and 17,632.55

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Solution

The fourth proportional to 31,779.65, 43,851.12 and 17,632.55 is: 24,330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779.65 : 43,851.12 = 17,632.55 : x
  2. Step 2: Convert to fraction form
    31,779.65/43,851.12 = 17,632.55/x
  3. Step 3: Cross multiply
    31,779.65x = 43,851.12 × 17,632.55
  4. Step 4: Simplify right side
    31,779.65x = 773,207,065.96
  5. Step 5: Solve for x
    x = 773,207,065.96/31,779.65
  6. Step 6: Final answer
    x = 24,330.26

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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.