Home / 43,142.77-64,729.73-15,066.96

Finding the Fourth Proportional to 43,142.77, 64,729.73 and 15,066.96

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Solution

The fourth proportional to 43,142.77, 64,729.73 and 15,066.96 is: 22,605.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,142.77 : 64,729.73 = 15,066.96 : x
  2. Step 2: Convert to fraction form
    43,142.77/64,729.73 = 15,066.96/x
  3. Step 3: Cross multiply
    43,142.77x = 64,729.73 × 15,066.96
  4. Step 4: Simplify right side
    43,142.77x = 975,280,252.72
  5. Step 5: Solve for x
    x = 975,280,252.72/43,142.77
  6. Step 6: Final answer
    x = 22,605.88

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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.