Home / 57,922.80-86,885.82-20,477.58

Finding the Fourth Proportional to 57,922.80, 86,885.82 and 20,477.58

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Solution

The fourth proportional to 57,922.80, 86,885.82 and 20,477.58 is: 30,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,922.80 : 86,885.82 = 20,477.58 : x
  2. Step 2: Convert to fraction form
    57,922.80/86,885.82 = 20,477.58/x
  3. Step 3: Cross multiply
    57,922.80x = 86,885.82 × 20,477.58
  4. Step 4: Simplify right side
    57,922.80x = 1,779,211,329.92
  5. Step 5: Solve for x
    x = 1,779,211,329.92/57,922.80
  6. Step 6: Final answer
    x = 30,716.94

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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.