Home / 29,338.50-40,501.08-18,588.72

Finding the Fourth Proportional to 29,338.50, 40,501.08 and 18,588.72

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Solution

The fourth proportional to 29,338.50, 40,501.08 and 18,588.72 is: 25,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,338.50 : 40,501.08 = 18,588.72 : x
  2. Step 2: Convert to fraction form
    29,338.50/40,501.08 = 18,588.72/x
  3. Step 3: Cross multiply
    29,338.50x = 40,501.08 × 18,588.72
  4. Step 4: Simplify right side
    29,338.50x = 752,863,235.82
  5. Step 5: Solve for x
    x = 752,863,235.82/29,338.50
  6. Step 6: Final answer
    x = 25,661.27

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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.