Home / 31,779.56-43,856.46-17,633.30

Finding the Fourth Proportional to 31,779.56, 43,856.46 and 17,633.30

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Solution

The fourth proportional to 31,779.56, 43,856.46 and 17,633.30 is: 24,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779.56 : 43,856.46 = 17,633.30 : x
  2. Step 2: Convert to fraction form
    31,779.56/43,856.46 = 17,633.30/x
  3. Step 3: Cross multiply
    31,779.56x = 43,856.46 × 17,633.30
  4. Step 4: Simplify right side
    31,779.56x = 773,334,116.12
  5. Step 5: Solve for x
    x = 773,334,116.12/31,779.56
  6. Step 6: Final answer
    x = 24,334.32

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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.