Home / 31,404.16-43,339.04-17,975.36

Finding the Fourth Proportional to 31,404.16, 43,339.04 and 17,975.36

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Solution

The fourth proportional to 31,404.16, 43,339.04 and 17,975.36 is: 24,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,404.16 : 43,339.04 = 17,975.36 : x
  2. Step 2: Convert to fraction form
    31,404.16/43,339.04 = 17,975.36/x
  3. Step 3: Cross multiply
    31,404.16x = 43,339.04 × 17,975.36
  4. Step 4: Simplify right side
    31,404.16x = 779,034,846.05
  5. Step 5: Solve for x
    x = 779,034,846.05/31,404.16
  6. Step 6: Final answer
    x = 24,806.74

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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.