Home / 39,157.02-58,735.53-11,455.02

Finding the Fourth Proportional to 39,157.02, 58,735.53 and 11,455.02

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Solution

The fourth proportional to 39,157.02, 58,735.53 and 11,455.02 is: 17,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157.02 : 58,735.53 = 11,455.02 : x
  2. Step 2: Convert to fraction form
    39,157.02/58,735.53 = 11,455.02/x
  3. Step 3: Cross multiply
    39,157.02x = 58,735.53 × 11,455.02
  4. Step 4: Simplify right side
    39,157.02x = 672,816,670.86
  5. Step 5: Solve for x
    x = 672,816,670.86/39,157.02
  6. Step 6: Final answer
    x = 17,182.53

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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.