Home / 29,475.98-40,664.85-18,142.07

Finding the Fourth Proportional to 29,475.98, 40,664.85 and 18,142.07

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Solution

The fourth proportional to 29,475.98, 40,664.85 and 18,142.07 is: 25,028.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,475.98 : 40,664.85 = 18,142.07 : x
  2. Step 2: Convert to fraction form
    29,475.98/40,664.85 = 18,142.07/x
  3. Step 3: Cross multiply
    29,475.98x = 40,664.85 × 18,142.07
  4. Step 4: Simplify right side
    29,475.98x = 737,744,555.24
  5. Step 5: Solve for x
    x = 737,744,555.24/29,475.98
  6. Step 6: Final answer
    x = 25,028.67

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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.