Home / 29,808.50-41,139.29-17,878.40

Finding the Fourth Proportional to 29,808.50, 41,139.29 and 17,878.40

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Solution

The fourth proportional to 29,808.50, 41,139.29 and 17,878.40 is: 24,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,808.50 : 41,139.29 = 17,878.40 : x
  2. Step 2: Convert to fraction form
    29,808.50/41,139.29 = 17,878.40/x
  3. Step 3: Cross multiply
    29,808.50x = 41,139.29 × 17,878.40
  4. Step 4: Simplify right side
    29,808.50x = 735,504,387.25
  5. Step 5: Solve for x
    x = 735,504,387.25/29,808.50
  6. Step 6: Final answer
    x = 24,674.32

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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.