Home / 35,976.35-53,931.64-12,590.03

Finding the Fourth Proportional to 35,976.35, 53,931.64 and 12,590.03

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Solution

The fourth proportional to 35,976.35, 53,931.64 and 12,590.03 is: 18,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,976.35 : 53,931.64 = 12,590.03 : x
  2. Step 2: Convert to fraction form
    35,976.35/53,931.64 = 12,590.03/x
  3. Step 3: Cross multiply
    35,976.35x = 53,931.64 × 12,590.03
  4. Step 4: Simplify right side
    35,976.35x = 679,000,965.55
  5. Step 5: Solve for x
    x = 679,000,965.55/35,976.35
  6. Step 6: Final answer
    x = 18,873.54

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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.