Home / 48,726.36-72,996.26-28,944.81

Finding the Fourth Proportional to 48,726.36, 72,996.26 and 28,944.81

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Solution

The fourth proportional to 48,726.36, 72,996.26 and 28,944.81 is: 43,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,726.36 : 72,996.26 = 28,944.81 : x
  2. Step 2: Convert to fraction form
    48,726.36/72,996.26 = 28,944.81/x
  3. Step 3: Cross multiply
    48,726.36x = 72,996.26 × 28,944.81
  4. Step 4: Simplify right side
    48,726.36x = 2,112,862,731.69
  5. Step 5: Solve for x
    x = 2,112,862,731.69/48,726.36
  6. Step 6: Final answer
    x = 43,361.80

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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.