Home / 53,271.85-79,884.54-28,305.88

Finding the Fourth Proportional to 53,271.85, 79,884.54 and 28,305.88

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Solution

The fourth proportional to 53,271.85, 79,884.54 and 28,305.88 is: 42,446.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,271.85 : 79,884.54 = 28,305.88 : x
  2. Step 2: Convert to fraction form
    53,271.85/79,884.54 = 28,305.88/x
  3. Step 3: Cross multiply
    53,271.85x = 79,884.54 × 28,305.88
  4. Step 4: Simplify right side
    53,271.85x = 2,261,202,203.10
  5. Step 5: Solve for x
    x = 2,261,202,203.10/53,271.85
  6. Step 6: Final answer
    x = 42,446.47

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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.