Home / 31,548.64-43,221.16-30,366.88

Finding the Fourth Proportional to 31,548.64, 43,221.16 and 30,366.88

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Solution

The fourth proportional to 31,548.64, 43,221.16 and 30,366.88 is: 41,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548.64 : 43,221.16 = 30,366.88 : x
  2. Step 2: Convert to fraction form
    31,548.64/43,221.16 = 30,366.88/x
  3. Step 3: Cross multiply
    31,548.64x = 43,221.16 × 30,366.88
  4. Step 4: Simplify right side
    31,548.64x = 1,312,491,779.18
  5. Step 5: Solve for x
    x = 1,312,491,779.18/31,548.64
  6. Step 6: Final answer
    x = 41,602.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.