Home / 59,808.49-82,439.50-40,421.33

Finding the Fourth Proportional to 59,808.49, 82,439.50 and 40,421.33

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Solution

The fourth proportional to 59,808.49, 82,439.50 and 40,421.33 is: 55,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,808.49 : 82,439.50 = 40,421.33 : x
  2. Step 2: Convert to fraction form
    59,808.49/82,439.50 = 40,421.33/x
  3. Step 3: Cross multiply
    59,808.49x = 82,439.50 × 40,421.33
  4. Step 4: Simplify right side
    59,808.49x = 3,332,314,234.54
  5. Step 5: Solve for x
    x = 3,332,314,234.54/59,808.49
  6. Step 6: Final answer
    x = 55,716.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.