Home / 31,406.96-43,336.68-17,975.12

Finding the Fourth Proportional to 31,406.96, 43,336.68 and 17,975.12

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Solution

The fourth proportional to 31,406.96, 43,336.68 and 17,975.12 is: 24,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,406.96 : 43,336.68 = 17,975.12 : x
  2. Step 2: Convert to fraction form
    31,406.96/43,336.68 = 17,975.12/x
  3. Step 3: Cross multiply
    31,406.96x = 43,336.68 × 17,975.12
  4. Step 4: Simplify right side
    31,406.96x = 778,982,023.40
  5. Step 5: Solve for x
    x = 778,982,023.40/31,406.96
  6. Step 6: Final answer
    x = 24,802.85

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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.