Home / 29,862.81-41,210.99-17,115.72

Finding the Fourth Proportional to 29,862.81, 41,210.99 and 17,115.72

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Solution

The fourth proportional to 29,862.81, 41,210.99 and 17,115.72 is: 23,619.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,862.81 : 41,210.99 = 17,115.72 : x
  2. Step 2: Convert to fraction form
    29,862.81/41,210.99 = 17,115.72/x
  3. Step 3: Cross multiply
    29,862.81x = 41,210.99 × 17,115.72
  4. Step 4: Simplify right side
    29,862.81x = 705,355,765.76
  5. Step 5: Solve for x
    x = 705,355,765.76/29,862.81
  6. Step 6: Final answer
    x = 23,619.87

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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.