Home / 57,479.32-86,218.84-18,039.52

Finding the Fourth Proportional to 57,479.32, 86,218.84 and 18,039.52

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Solution

The fourth proportional to 57,479.32, 86,218.84 and 18,039.52 is: 27,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,479.32 : 86,218.84 = 18,039.52 : x
  2. Step 2: Convert to fraction form
    57,479.32/86,218.84 = 18,039.52/x
  3. Step 3: Cross multiply
    57,479.32x = 86,218.84 × 18,039.52
  4. Step 4: Simplify right side
    57,479.32x = 1,555,346,488.56
  5. Step 5: Solve for x
    x = 1,555,346,488.56/57,479.32
  6. Step 6: Final answer
    x = 27,059.24

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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.