Home / 40,464.90-55,817.51-31,498.20

Finding the Fourth Proportional to 40,464.90, 55,817.51 and 31,498.20

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Solution

The fourth proportional to 40,464.90, 55,817.51 and 31,498.20 is: 43,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,464.90 : 55,817.51 = 31,498.20 : x
  2. Step 2: Convert to fraction form
    40,464.90/55,817.51 = 31,498.20/x
  3. Step 3: Cross multiply
    40,464.90x = 55,817.51 × 31,498.20
  4. Step 4: Simplify right side
    40,464.90x = 1,758,150,935.99
  5. Step 5: Solve for x
    x = 1,758,150,935.99/40,464.90
  6. Step 6: Final answer
    x = 43,448.79

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1.5x scale

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.