Home / 31,780.34-43,856.25-17,633.06

Finding the Fourth Proportional to 31,780.34, 43,856.25 and 17,633.06

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Solution

The fourth proportional to 31,780.34, 43,856.25 and 17,633.06 is: 24,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,780.34 : 43,856.25 = 17,633.06 : x
  2. Step 2: Convert to fraction form
    31,780.34/43,856.25 = 17,633.06/x
  3. Step 3: Cross multiply
    31,780.34x = 43,856.25 × 17,633.06
  4. Step 4: Simplify right side
    31,780.34x = 773,319,887.63
  5. Step 5: Solve for x
    x = 773,319,887.63/31,780.34
  6. Step 6: Final answer
    x = 24,333.28

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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.