Home / 55,665.70-83,498.55-36,638.80

Finding the Fourth Proportional to 55,665.70, 83,498.55 and 36,638.80

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Solution

The fourth proportional to 55,665.70, 83,498.55 and 36,638.80 is: 54,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,665.70 : 83,498.55 = 36,638.80 : x
  2. Step 2: Convert to fraction form
    55,665.70/83,498.55 = 36,638.80/x
  3. Step 3: Cross multiply
    55,665.70x = 83,498.55 × 36,638.80
  4. Step 4: Simplify right side
    55,665.70x = 3,059,286,673.74
  5. Step 5: Solve for x
    x = 3,059,286,673.74/55,665.70
  6. Step 6: Final answer
    x = 54,958.20

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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.