Home / 56,165.43-84,226.69-18,718.32

Finding the Fourth Proportional to 56,165.43, 84,226.69 and 18,718.32

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Solution

The fourth proportional to 56,165.43, 84,226.69 and 18,718.32 is: 28,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165.43 : 84,226.69 = 18,718.32 : x
  2. Step 2: Convert to fraction form
    56,165.43/84,226.69 = 18,718.32/x
  3. Step 3: Cross multiply
    56,165.43x = 84,226.69 × 18,718.32
  4. Step 4: Simplify right side
    56,165.43x = 1,576,582,369.92
  5. Step 5: Solve for x
    x = 1,576,582,369.92/56,165.43
  6. Step 6: Final answer
    x = 28,070.33

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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.