Home / 40,742.01-61,114.29-12,662.21

Finding the Fourth Proportional to 40,742.01, 61,114.29 and 12,662.21

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Solution

The fourth proportional to 40,742.01, 61,114.29 and 12,662.21 is: 18,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742.01 : 61,114.29 = 12,662.21 : x
  2. Step 2: Convert to fraction form
    40,742.01/61,114.29 = 12,662.21/x
  3. Step 3: Cross multiply
    40,742.01x = 61,114.29 × 12,662.21
  4. Step 4: Simplify right side
    40,742.01x = 773,841,973.98
  5. Step 5: Solve for x
    x = 773,841,973.98/40,742.01
  6. Step 6: Final answer
    x = 18,993.71

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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.