Home / 31,280.63-43,171.43-17,848.80

Finding the Fourth Proportional to 31,280.63, 43,171.43 and 17,848.80

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Solution

The fourth proportional to 31,280.63, 43,171.43 and 17,848.80 is: 24,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.63 : 43,171.43 = 17,848.80 : x
  2. Step 2: Convert to fraction form
    31,280.63/43,171.43 = 17,848.80/x
  3. Step 3: Cross multiply
    31,280.63x = 43,171.43 × 17,848.80
  4. Step 4: Simplify right side
    31,280.63x = 770,558,130.54
  5. Step 5: Solve for x
    x = 770,558,130.54/31,280.63
  6. Step 6: Final answer
    x = 24,633.72

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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.