Home / 35,931.13-53,904.21-12,236.81

Finding the Fourth Proportional to 35,931.13, 53,904.21 and 12,236.81

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Solution

The fourth proportional to 35,931.13, 53,904.21 and 12,236.81 is: 18,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,931.13 : 53,904.21 = 12,236.81 : x
  2. Step 2: Convert to fraction form
    35,931.13/53,904.21 = 12,236.81/x
  3. Step 3: Cross multiply
    35,931.13x = 53,904.21 × 12,236.81
  4. Step 4: Simplify right side
    35,931.13x = 659,615,260.56
  5. Step 5: Solve for x
    x = 659,615,260.56/35,931.13
  6. Step 6: Final answer
    x = 18,357.77

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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.