Home / 55,771.68-83,657.64-39,205.74

Finding the Fourth Proportional to 55,771.68, 83,657.64 and 39,205.74

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Solution

The fourth proportional to 55,771.68, 83,657.64 and 39,205.74 is: 58,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,771.68 : 83,657.64 = 39,205.74 : x
  2. Step 2: Convert to fraction form
    55,771.68/83,657.64 = 39,205.74/x
  3. Step 3: Cross multiply
    55,771.68x = 83,657.64 × 39,205.74
  4. Step 4: Simplify right side
    55,771.68x = 3,279,859,682.85
  5. Step 5: Solve for x
    x = 3,279,859,682.85/55,771.68
  6. Step 6: Final answer
    x = 58,808.69

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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.