Home / 35,009.89-48,322.38-20,860

Finding the Fourth Proportional to 35,009.89, 48,322.38 and 20,860

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Solution

The fourth proportional to 35,009.89, 48,322.38 and 20,860 is: 28,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,009.89 : 48,322.38 = 20,860 : x
  2. Step 2: Convert to fraction form
    35,009.89/48,322.38 = 20,860/x
  3. Step 3: Cross multiply
    35,009.89x = 48,322.38 × 20,860
  4. Step 4: Simplify right side
    35,009.89x = 1,008,004,846.80
  5. Step 5: Solve for x
    x = 1,008,004,846.80/35,009.89
  6. Step 6: Final answer
    x = 28,792.00

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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.