Home / 53,269.85-79,881.54-28,303.88

Finding the Fourth Proportional to 53,269.85, 79,881.54 and 28,303.88

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Solution

The fourth proportional to 53,269.85, 79,881.54 and 28,303.88 is: 42,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,269.85 : 79,881.54 = 28,303.88 : x
  2. Step 2: Convert to fraction form
    53,269.85/79,881.54 = 28,303.88/x
  3. Step 3: Cross multiply
    53,269.85x = 79,881.54 × 28,303.88
  4. Step 4: Simplify right side
    53,269.85x = 2,260,957,625.37
  5. Step 5: Solve for x
    x = 2,260,957,625.37/53,269.85
  6. Step 6: Final answer
    x = 42,443.47

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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.