Home / 29,379.24-40,528.32-18,757.70

Finding the Fourth Proportional to 29,379.24, 40,528.32 and 18,757.70

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Solution

The fourth proportional to 29,379.24, 40,528.32 and 18,757.70 is: 25,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379.24 : 40,528.32 = 18,757.70 : x
  2. Step 2: Convert to fraction form
    29,379.24/40,528.32 = 18,757.70/x
  3. Step 3: Cross multiply
    29,379.24x = 40,528.32 × 18,757.70
  4. Step 4: Simplify right side
    29,379.24x = 760,218,068.06
  5. Step 5: Solve for x
    x = 760,218,068.06/29,379.24
  6. Step 6: Final answer
    x = 25,876.03

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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.