Home / 35,795.51-53,671.20-12,100.81

Finding the Fourth Proportional to 35,795.51, 53,671.20 and 12,100.81

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Solution

The fourth proportional to 35,795.51, 53,671.20 and 12,100.81 is: 18,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,795.51 : 53,671.20 = 12,100.81 : x
  2. Step 2: Convert to fraction form
    35,795.51/53,671.20 = 12,100.81/x
  3. Step 3: Cross multiply
    35,795.51x = 53,671.20 × 12,100.81
  4. Step 4: Simplify right side
    35,795.51x = 649,464,993.67
  5. Step 5: Solve for x
    x = 649,464,993.67/35,795.51
  6. Step 6: Final answer
    x = 18,143.76

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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.