Home / 56,120.70-84,196.42-28,006.82

Finding the Fourth Proportional to 56,120.70, 84,196.42 and 28,006.82

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Solution

The fourth proportional to 56,120.70, 84,196.42 and 28,006.82 is: 42,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,120.70 : 84,196.42 = 28,006.82 : x
  2. Step 2: Convert to fraction form
    56,120.70/84,196.42 = 28,006.82/x
  3. Step 3: Cross multiply
    56,120.70x = 84,196.42 × 28,006.82
  4. Step 4: Simplify right side
    56,120.70x = 2,358,073,646.12
  5. Step 5: Solve for x
    x = 2,358,073,646.12/56,120.70
  6. Step 6: Final answer
    x = 42,017.89

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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.