Home / 35,110.09-52,670.35-12,921.86

Finding the Fourth Proportional to 35,110.09, 52,670.35 and 12,921.86

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Solution

The fourth proportional to 35,110.09, 52,670.35 and 12,921.86 is: 19,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,110.09 : 52,670.35 = 12,921.86 : x
  2. Step 2: Convert to fraction form
    35,110.09/52,670.35 = 12,921.86/x
  3. Step 3: Cross multiply
    35,110.09x = 52,670.35 × 12,921.86
  4. Step 4: Simplify right side
    35,110.09x = 680,599,036.68
  5. Step 5: Solve for x
    x = 680,599,036.68/35,110.09
  6. Step 6: Final answer
    x = 19,384.71

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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.