Home / 43,043.07-64,568.33-11,878.32

Finding the Fourth Proportional to 43,043.07, 64,568.33 and 11,878.32

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Solution

The fourth proportional to 43,043.07, 64,568.33 and 11,878.32 is: 17,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,043.07 : 64,568.33 = 11,878.32 : x
  2. Step 2: Convert to fraction form
    43,043.07/64,568.33 = 11,878.32/x
  3. Step 3: Cross multiply
    43,043.07x = 64,568.33 × 11,878.32
  4. Step 4: Simplify right side
    43,043.07x = 766,963,285.61
  5. Step 5: Solve for x
    x = 766,963,285.61/43,043.07
  6. Step 6: Final answer
    x = 17,818.51

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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.