Home / 38,649.93-57,961.24-18,384.30

Finding the Fourth Proportional to 38,649.93, 57,961.24 and 18,384.30

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Solution

The fourth proportional to 38,649.93, 57,961.24 and 18,384.30 is: 27,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,649.93 : 57,961.24 = 18,384.30 : x
  2. Step 2: Convert to fraction form
    38,649.93/57,961.24 = 18,384.30/x
  3. Step 3: Cross multiply
    38,649.93x = 57,961.24 × 18,384.30
  4. Step 4: Simplify right side
    38,649.93x = 1,065,576,824.53
  5. Step 5: Solve for x
    x = 1,065,576,824.53/38,649.93
  6. Step 6: Final answer
    x = 27,569.95

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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.