Home / 35,626.20-53,423.08-18,981.96

Finding the Fourth Proportional to 35,626.20, 53,423.08 and 18,981.96

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Solution

The fourth proportional to 35,626.20, 53,423.08 and 18,981.96 is: 28,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,626.20 : 53,423.08 = 18,981.96 : x
  2. Step 2: Convert to fraction form
    35,626.20/53,423.08 = 18,981.96/x
  3. Step 3: Cross multiply
    35,626.20x = 53,423.08 × 18,981.96
  4. Step 4: Simplify right side
    35,626.20x = 1,014,074,767.64
  5. Step 5: Solve for x
    x = 1,014,074,767.64/35,626.20
  6. Step 6: Final answer
    x = 28,464.30

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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.