Home / 31,336.67-43,244.48-19,397.63

Finding the Fourth Proportional to 31,336.67, 43,244.48 and 19,397.63

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Solution

The fourth proportional to 31,336.67, 43,244.48 and 19,397.63 is: 26,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.67 : 43,244.48 = 19,397.63 : x
  2. Step 2: Convert to fraction form
    31,336.67/43,244.48 = 19,397.63/x
  3. Step 3: Cross multiply
    31,336.67x = 43,244.48 × 19,397.63
  4. Step 4: Simplify right side
    31,336.67x = 838,840,422.58
  5. Step 5: Solve for x
    x = 838,840,422.58/31,336.67
  6. Step 6: Final answer
    x = 26,768.65

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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.