Home / 53,299.32-79,861.50-18,219.84

Finding the Fourth Proportional to 53,299.32, 79,861.50 and 18,219.84

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Solution

The fourth proportional to 53,299.32, 79,861.50 and 18,219.84 is: 27,299.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,299.32 : 79,861.50 = 18,219.84 : x
  2. Step 2: Convert to fraction form
    53,299.32/79,861.50 = 18,219.84/x
  3. Step 3: Cross multiply
    53,299.32x = 79,861.50 × 18,219.84
  4. Step 4: Simplify right side
    53,299.32x = 1,455,063,752.16
  5. Step 5: Solve for x
    x = 1,455,063,752.16/53,299.32
  6. Step 6: Final answer
    x = 27,299.86

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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.