Home / 42,922.13-64,361.32-17,955.41

Finding the Fourth Proportional to 42,922.13, 64,361.32 and 17,955.41

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Solution

The fourth proportional to 42,922.13, 64,361.32 and 17,955.41 is: 26,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,922.13 : 64,361.32 = 17,955.41 : x
  2. Step 2: Convert to fraction form
    42,922.13/64,361.32 = 17,955.41/x
  3. Step 3: Cross multiply
    42,922.13x = 64,361.32 × 17,955.41
  4. Step 4: Simplify right side
    42,922.13x = 1,155,633,522.05
  5. Step 5: Solve for x
    x = 1,155,633,522.05/42,922.13
  6. Step 6: Final answer
    x = 26,923.96

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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.