Home / 43,938.09-65,893.50-15,854.51

Finding the Fourth Proportional to 43,938.09, 65,893.50 and 15,854.51

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Solution

The fourth proportional to 43,938.09, 65,893.50 and 15,854.51 is: 23,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,938.09 : 65,893.50 = 15,854.51 : x
  2. Step 2: Convert to fraction form
    43,938.09/65,893.50 = 15,854.51/x
  3. Step 3: Cross multiply
    43,938.09x = 65,893.50 × 15,854.51
  4. Step 4: Simplify right side
    43,938.09x = 1,044,708,825.22
  5. Step 5: Solve for x
    x = 1,044,708,825.22/43,938.09
  6. Step 6: Final answer
    x = 23,776.84

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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.