Home / 40,782.42-61,156.98-15,817.68

Finding the Fourth Proportional to 40,782.42, 61,156.98 and 15,817.68

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Solution

The fourth proportional to 40,782.42, 61,156.98 and 15,817.68 is: 23,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.42 : 61,156.98 = 15,817.68 : x
  2. Step 2: Convert to fraction form
    40,782.42/61,156.98 = 15,817.68/x
  3. Step 3: Cross multiply
    40,782.42x = 61,156.98 × 15,817.68
  4. Step 4: Simplify right side
    40,782.42x = 967,361,539.41
  5. Step 5: Solve for x
    x = 967,361,539.41/40,782.42
  6. Step 6: Final answer
    x = 23,720.06

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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.