Home / 31,765.35-43,835.08-17,619.51

Finding the Fourth Proportional to 31,765.35, 43,835.08 and 17,619.51

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Solution

The fourth proportional to 31,765.35, 43,835.08 and 17,619.51 is: 24,314.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,765.35 : 43,835.08 = 17,619.51 : x
  2. Step 2: Convert to fraction form
    31,765.35/43,835.08 = 17,619.51/x
  3. Step 3: Cross multiply
    31,765.35x = 43,835.08 × 17,619.51
  4. Step 4: Simplify right side
    31,765.35x = 772,352,630.41
  5. Step 5: Solve for x
    x = 772,352,630.41/31,765.35
  6. Step 6: Final answer
    x = 24,314.31

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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.