Home / 53,861.40-80,795.70-18,322.20

Finding the Fourth Proportional to 53,861.40, 80,795.70 and 18,322.20

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Solution

The fourth proportional to 53,861.40, 80,795.70 and 18,322.20 is: 27,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861.40 : 80,795.70 = 18,322.20 : x
  2. Step 2: Convert to fraction form
    53,861.40/80,795.70 = 18,322.20/x
  3. Step 3: Cross multiply
    53,861.40x = 80,795.70 × 18,322.20
  4. Step 4: Simplify right side
    53,861.40x = 1,480,354,974.54
  5. Step 5: Solve for x
    x = 1,480,354,974.54/53,861.40
  6. Step 6: Final answer
    x = 27,484.52

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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.