Home / 43,459.08-59,974.38-28,361.40

Finding the Fourth Proportional to 43,459.08, 59,974.38 and 28,361.40

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Solution

The fourth proportional to 43,459.08, 59,974.38 and 28,361.40 is: 39,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459.08 : 59,974.38 = 28,361.40 : x
  2. Step 2: Convert to fraction form
    43,459.08/59,974.38 = 28,361.40/x
  3. Step 3: Cross multiply
    43,459.08x = 59,974.38 × 28,361.40
  4. Step 4: Simplify right side
    43,459.08x = 1,700,957,380.93
  5. Step 5: Solve for x
    x = 1,700,957,380.93/43,459.08
  6. Step 6: Final answer
    x = 39,139.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.