Home / 45,493.21-68,275.51-31,551.09

Finding the Fourth Proportional to 45,493.21, 68,275.51 and 31,551.09

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Solution

The fourth proportional to 45,493.21, 68,275.51 and 31,551.09 is: 47,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493.21 : 68,275.51 = 31,551.09 : x
  2. Step 2: Convert to fraction form
    45,493.21/68,275.51 = 31,551.09/x
  3. Step 3: Cross multiply
    45,493.21x = 68,275.51 × 31,551.09
  4. Step 4: Simplify right side
    45,493.21x = 2,154,166,425.90
  5. Step 5: Solve for x
    x = 2,154,166,425.90/45,493.21
  6. Step 6: Final answer
    x = 47,351.38

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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.