Home / 53,332.44-80,018.10-28,374.72

Finding the Fourth Proportional to 53,332.44, 80,018.10 and 28,374.72

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Solution

The fourth proportional to 53,332.44, 80,018.10 and 28,374.72 is: 42,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,332.44 : 80,018.10 = 28,374.72 : x
  2. Step 2: Convert to fraction form
    53,332.44/80,018.10 = 28,374.72/x
  3. Step 3: Cross multiply
    53,332.44x = 80,018.10 × 28,374.72
  4. Step 4: Simplify right side
    53,332.44x = 2,270,491,182.43
  5. Step 5: Solve for x
    x = 2,270,491,182.43/53,332.44
  6. Step 6: Final answer
    x = 42,572.42

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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.