Home / 45,931.62-68,839.92-19,605.54

Finding the Fourth Proportional to 45,931.62, 68,839.92 and 19,605.54

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Solution

The fourth proportional to 45,931.62, 68,839.92 and 19,605.54 is: 29,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931.62 : 68,839.92 = 19,605.54 : x
  2. Step 2: Convert to fraction form
    45,931.62/68,839.92 = 19,605.54/x
  3. Step 3: Cross multiply
    45,931.62x = 68,839.92 × 19,605.54
  4. Step 4: Simplify right side
    45,931.62x = 1,349,643,805.16
  5. Step 5: Solve for x
    x = 1,349,643,805.16/45,931.62
  6. Step 6: Final answer
    x = 29,383.76

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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.