Home / 40,984.07-61,408.16-14,315.73

Finding the Fourth Proportional to 40,984.07, 61,408.16 and 14,315.73

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Solution

The fourth proportional to 40,984.07, 61,408.16 and 14,315.73 is: 21,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,984.07 : 61,408.16 = 14,315.73 : x
  2. Step 2: Convert to fraction form
    40,984.07/61,408.16 = 14,315.73/x
  3. Step 3: Cross multiply
    40,984.07x = 61,408.16 × 14,315.73
  4. Step 4: Simplify right side
    40,984.07x = 879,102,566.78
  5. Step 5: Solve for x
    x = 879,102,566.78/40,984.07
  6. Step 6: Final answer
    x = 21,449.86

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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.