Home / 40,956.03-61,433.64-18,763.11

Finding the Fourth Proportional to 40,956.03, 61,433.64 and 18,763.11

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Solution

The fourth proportional to 40,956.03, 61,433.64 and 18,763.11 is: 28,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,956.03 : 61,433.64 = 18,763.11 : x
  2. Step 2: Convert to fraction form
    40,956.03/61,433.64 = 18,763.11/x
  3. Step 3: Cross multiply
    40,956.03x = 61,433.64 × 18,763.11
  4. Step 4: Simplify right side
    40,956.03x = 1,152,686,145.02
  5. Step 5: Solve for x
    x = 1,152,686,145.02/40,956.03
  6. Step 6: Final answer
    x = 28,144.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.