Home / 45,350.64-62,643.36-31,178.88

Finding the Fourth Proportional to 45,350.64, 62,643.36 and 31,178.88

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Solution

The fourth proportional to 45,350.64, 62,643.36 and 31,178.88 is: 43,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,350.64 : 62,643.36 = 31,178.88 : x
  2. Step 2: Convert to fraction form
    45,350.64/62,643.36 = 31,178.88/x
  3. Step 3: Cross multiply
    45,350.64x = 62,643.36 × 31,178.88
  4. Step 4: Simplify right side
    45,350.64x = 1,953,149,804.24
  5. Step 5: Solve for x
    x = 1,953,149,804.24/45,350.64
  6. Step 6: Final answer
    x = 43,067.75

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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.