Home / 56,451.43-84,646.89-18,999.07

Finding the Fourth Proportional to 56,451.43, 84,646.89 and 18,999.07

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Solution

The fourth proportional to 56,451.43, 84,646.89 and 18,999.07 is: 28,488.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,451.43 : 84,646.89 = 18,999.07 : x
  2. Step 2: Convert to fraction form
    56,451.43/84,646.89 = 18,999.07/x
  3. Step 3: Cross multiply
    56,451.43x = 84,646.89 × 18,999.07
  4. Step 4: Simplify right side
    56,451.43x = 1,608,212,188.39
  5. Step 5: Solve for x
    x = 1,608,212,188.39/56,451.43
  6. Step 6: Final answer
    x = 28,488.42

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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.