Home / 53,468.16-80,271.36-28,861.44

Finding the Fourth Proportional to 53,468.16, 80,271.36 and 28,861.44

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Solution

The fourth proportional to 53,468.16, 80,271.36 and 28,861.44 is: 43,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,468.16 : 80,271.36 = 28,861.44 : x
  2. Step 2: Convert to fraction form
    53,468.16/80,271.36 = 28,861.44/x
  3. Step 3: Cross multiply
    53,468.16x = 80,271.36 × 28,861.44
  4. Step 4: Simplify right side
    53,468.16x = 2,316,747,040.36
  5. Step 5: Solve for x
    x = 2,316,747,040.36/53,468.16
  6. Step 6: Final answer
    x = 43,329.47

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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.