Home / 45,496.68-68,232.06-28,831.56

Finding the Fourth Proportional to 45,496.68, 68,232.06 and 28,831.56

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Solution

The fourth proportional to 45,496.68, 68,232.06 and 28,831.56 is: 43,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,496.68 : 68,232.06 = 28,831.56 : x
  2. Step 2: Convert to fraction form
    45,496.68/68,232.06 = 28,831.56/x
  3. Step 3: Cross multiply
    45,496.68x = 68,232.06 × 28,831.56
  4. Step 4: Simplify right side
    45,496.68x = 1,967,236,731.81
  5. Step 5: Solve for x
    x = 1,967,236,731.81/45,496.68
  6. Step 6: Final answer
    x = 43,239.13

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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.