Home / 31,424.21-43,364.30-17,276.94

Finding the Fourth Proportional to 31,424.21, 43,364.30 and 17,276.94

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Solution

The fourth proportional to 31,424.21, 43,364.30 and 17,276.94 is: 23,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.21 : 43,364.30 = 17,276.94 : x
  2. Step 2: Convert to fraction form
    31,424.21/43,364.30 = 17,276.94/x
  3. Step 3: Cross multiply
    31,424.21x = 43,364.30 × 17,276.94
  4. Step 4: Simplify right side
    31,424.21x = 749,202,322.86
  5. Step 5: Solve for x
    x = 749,202,322.86/31,424.21
  6. Step 6: Final answer
    x = 23,841.57

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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.