Home / 29,081.71-43,622.84-18,700.75

Finding the Fourth Proportional to 29,081.71, 43,622.84 and 18,700.75

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Solution

The fourth proportional to 29,081.71, 43,622.84 and 18,700.75 is: 28,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,081.71 : 43,622.84 = 18,700.75 : x
  2. Step 2: Convert to fraction form
    29,081.71/43,622.84 = 18,700.75/x
  3. Step 3: Cross multiply
    29,081.71x = 43,622.84 × 18,700.75
  4. Step 4: Simplify right side
    29,081.71x = 815,779,825.13
  5. Step 5: Solve for x
    x = 815,779,825.13/29,081.71
  6. Step 6: Final answer
    x = 28,051.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.