Home / 57,292.79-79,078.58-39,150.85

Finding the Fourth Proportional to 57,292.79, 79,078.58 and 39,150.85

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Solution

The fourth proportional to 57,292.79, 79,078.58 and 39,150.85 is: 54,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,292.79 : 79,078.58 = 39,150.85 : x
  2. Step 2: Convert to fraction form
    57,292.79/79,078.58 = 39,150.85/x
  3. Step 3: Cross multiply
    57,292.79x = 79,078.58 × 39,150.85
  4. Step 4: Simplify right side
    57,292.79x = 3,095,993,623.79
  5. Step 5: Solve for x
    x = 3,095,993,623.79/57,292.79
  6. Step 6: Final answer
    x = 54,038.10

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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.