Home / 43,411.32-65,104.02-18,451.26

Finding the Fourth Proportional to 43,411.32, 65,104.02 and 18,451.26

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Solution

The fourth proportional to 43,411.32, 65,104.02 and 18,451.26 is: 27,671.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,411.32 : 65,104.02 = 18,451.26 : x
  2. Step 2: Convert to fraction form
    43,411.32/65,104.02 = 18,451.26/x
  3. Step 3: Cross multiply
    43,411.32x = 65,104.02 × 18,451.26
  4. Step 4: Simplify right side
    43,411.32x = 1,201,251,200.07
  5. Step 5: Solve for x
    x = 1,201,251,200.07/43,411.32
  6. Step 6: Final answer
    x = 27,671.38

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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.