Home / 40,938.21-61,404.55-15,973.61

Finding the Fourth Proportional to 40,938.21, 61,404.55 and 15,973.61

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Solution

The fourth proportional to 40,938.21, 61,404.55 and 15,973.61 is: 23,959.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,938.21 : 61,404.55 = 15,973.61 : x
  2. Step 2: Convert to fraction form
    40,938.21/61,404.55 = 15,973.61/x
  3. Step 3: Cross multiply
    40,938.21x = 61,404.55 × 15,973.61
  4. Step 4: Simplify right side
    40,938.21x = 980,851,986.97
  5. Step 5: Solve for x
    x = 980,851,986.97/40,938.21
  6. Step 6: Final answer
    x = 23,959.33

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1.5x scale

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.