Home / 35,009.39-48,321.69-20,859.50

Finding the Fourth Proportional to 35,009.39, 48,321.69 and 20,859.50

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Solution

The fourth proportional to 35,009.39, 48,321.69 and 20,859.50 is: 28,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,009.39 : 48,321.69 = 20,859.50 : x
  2. Step 2: Convert to fraction form
    35,009.39/48,321.69 = 20,859.50/x
  3. Step 3: Cross multiply
    35,009.39x = 48,321.69 × 20,859.50
  4. Step 4: Simplify right side
    35,009.39x = 1,007,966,292.56
  5. Step 5: Solve for x
    x = 1,007,966,292.56/35,009.39
  6. Step 6: Final answer
    x = 28,791.31

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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.