Home / 55,558.39-83,320.29-18,613.75

Finding the Fourth Proportional to 55,558.39, 83,320.29 and 18,613.75

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Solution

The fourth proportional to 55,558.39, 83,320.29 and 18,613.75 is: 27,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.39 : 83,320.29 = 18,613.75 : x
  2. Step 2: Convert to fraction form
    55,558.39/83,320.29 = 18,613.75/x
  3. Step 3: Cross multiply
    55,558.39x = 83,320.29 × 18,613.75
  4. Step 4: Simplify right side
    55,558.39x = 1,550,903,047.99
  5. Step 5: Solve for x
    x = 1,550,903,047.99/55,558.39
  6. Step 6: Final answer
    x = 27,914.83

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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.