Home / 53,354.30-80,007.88-28,388.43

Finding the Fourth Proportional to 53,354.30, 80,007.88 and 28,388.43

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Solution

The fourth proportional to 53,354.30, 80,007.88 and 28,388.43 is: 42,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,354.30 : 80,007.88 = 28,388.43 : x
  2. Step 2: Convert to fraction form
    53,354.30/80,007.88 = 28,388.43/x
  3. Step 3: Cross multiply
    53,354.30x = 80,007.88 × 28,388.43
  4. Step 4: Simplify right side
    53,354.30x = 2,271,297,958.89
  5. Step 5: Solve for x
    x = 2,271,297,958.89/53,354.30
  6. Step 6: Final answer
    x = 42,570.10

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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.