Home / 53,182.08-79,748.28-28,251.36

Finding the Fourth Proportional to 53,182.08, 79,748.28 and 28,251.36

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Solution

The fourth proportional to 53,182.08, 79,748.28 and 28,251.36 is: 42,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,182.08 : 79,748.28 = 28,251.36 : x
  2. Step 2: Convert to fraction form
    53,182.08/79,748.28 = 28,251.36/x
  3. Step 3: Cross multiply
    53,182.08x = 79,748.28 × 28,251.36
  4. Step 4: Simplify right side
    53,182.08x = 2,252,997,367.66
  5. Step 5: Solve for x
    x = 2,252,997,367.66/53,182.08
  6. Step 6: Final answer
    x = 42,363.84

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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.