Home / 48,842.36-67,381.14-28,663.64

Finding the Fourth Proportional to 48,842.36, 67,381.14 and 28,663.64

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Solution

The fourth proportional to 48,842.36, 67,381.14 and 28,663.64 is: 39,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,842.36 : 67,381.14 = 28,663.64 : x
  2. Step 2: Convert to fraction form
    48,842.36/67,381.14 = 28,663.64/x
  3. Step 3: Cross multiply
    48,842.36x = 67,381.14 × 28,663.64
  4. Step 4: Simplify right side
    48,842.36x = 1,931,388,739.75
  5. Step 5: Solve for x
    x = 1,931,388,739.75/48,842.36
  6. Step 6: Final answer
    x = 39,543.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.