Home / 40,919.40-56,526.12-31,607.64

Finding the Fourth Proportional to 40,919.40, 56,526.12 and 31,607.64

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Solution

The fourth proportional to 40,919.40, 56,526.12 and 31,607.64 is: 43,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,919.40 : 56,526.12 = 31,607.64 : x
  2. Step 2: Convert to fraction form
    40,919.40/56,526.12 = 31,607.64/x
  3. Step 3: Cross multiply
    40,919.40x = 56,526.12 × 31,607.64
  4. Step 4: Simplify right side
    40,919.40x = 1,786,657,251.56
  5. Step 5: Solve for x
    x = 1,786,657,251.56/40,919.40
  6. Step 6: Final answer
    x = 43,662.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.