Home / 53,297.32-79,858.48-18,217.84

Finding the Fourth Proportional to 53,297.32, 79,858.48 and 18,217.84

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Solution

The fourth proportional to 53,297.32, 79,858.48 and 18,217.84 is: 27,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,297.32 : 79,858.48 = 18,217.84 : x
  2. Step 2: Convert to fraction form
    53,297.32/79,858.48 = 18,217.84/x
  3. Step 3: Cross multiply
    53,297.32x = 79,858.48 × 18,217.84
  4. Step 4: Simplify right side
    53,297.32x = 1,454,849,011.28
  5. Step 5: Solve for x
    x = 1,454,849,011.28/53,297.32
  6. Step 6: Final answer
    x = 27,296.85

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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.