Home / 58,369.75-87,538.68-20,922.84

Finding the Fourth Proportional to 58,369.75, 87,538.68 and 20,922.84

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Solution

The fourth proportional to 58,369.75, 87,538.68 and 20,922.84 is: 31,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,369.75 : 87,538.68 = 20,922.84 : x
  2. Step 2: Convert to fraction form
    58,369.75/87,538.68 = 20,922.84/x
  3. Step 3: Cross multiply
    58,369.75x = 87,538.68 × 20,922.84
  4. Step 4: Simplify right side
    58,369.75x = 1,831,557,795.45
  5. Step 5: Solve for x
    x = 1,831,557,795.45/58,369.75
  6. Step 6: Final answer
    x = 31,378.54

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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.