Home / 56,170.87-84,267.34-18,730.44

Finding the Fourth Proportional to 56,170.87, 84,267.34 and 18,730.44

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Solution

The fourth proportional to 56,170.87, 84,267.34 and 18,730.44 is: 28,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,170.87 : 84,267.34 = 18,730.44 : x
  2. Step 2: Convert to fraction form
    56,170.87/84,267.34 = 18,730.44/x
  3. Step 3: Cross multiply
    56,170.87x = 84,267.34 × 18,730.44
  4. Step 4: Simplify right side
    56,170.87x = 1,578,364,309.00
  5. Step 5: Solve for x
    x = 1,578,364,309.00/56,170.87
  6. Step 6: Final answer
    x = 28,099.34

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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.