Home / 56,543.82-84,818.09-19,107.70

Finding the Fourth Proportional to 56,543.82, 84,818.09 and 19,107.70

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Solution

The fourth proportional to 56,543.82, 84,818.09 and 19,107.70 is: 28,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,543.82 : 84,818.09 = 19,107.70 : x
  2. Step 2: Convert to fraction form
    56,543.82/84,818.09 = 19,107.70/x
  3. Step 3: Cross multiply
    56,543.82x = 84,818.09 × 19,107.70
  4. Step 4: Simplify right side
    56,543.82x = 1,620,678,346.54
  5. Step 5: Solve for x
    x = 1,620,678,346.54/56,543.82
  6. Step 6: Final answer
    x = 28,662.34

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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.