Home / 57,289.57-85,980.52-39,509.26

Finding the Fourth Proportional to 57,289.57, 85,980.52 and 39,509.26

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Solution

The fourth proportional to 57,289.57, 85,980.52 and 39,509.26 is: 59,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,289.57 : 85,980.52 = 39,509.26 : x
  2. Step 2: Convert to fraction form
    57,289.57/85,980.52 = 39,509.26/x
  3. Step 3: Cross multiply
    57,289.57x = 85,980.52 × 39,509.26
  4. Step 4: Simplify right side
    57,289.57x = 3,397,026,719.62
  5. Step 5: Solve for x
    x = 3,397,026,719.62/57,289.57
  6. Step 6: Final answer
    x = 59,295.73

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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.