Home / 51,003.86-70,383.92-28,342.28

Finding the Fourth Proportional to 51,003.86, 70,383.92 and 28,342.28

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Solution

The fourth proportional to 51,003.86, 70,383.92 and 28,342.28 is: 39,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,003.86 : 70,383.92 = 28,342.28 : x
  2. Step 2: Convert to fraction form
    51,003.86/70,383.92 = 28,342.28/x
  3. Step 3: Cross multiply
    51,003.86x = 70,383.92 × 28,342.28
  4. Step 4: Simplify right side
    51,003.86x = 1,994,840,768.14
  5. Step 5: Solve for x
    x = 1,994,840,768.14/51,003.86
  6. Step 6: Final answer
    x = 39,111.56

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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.