Home / 48,430.03-72,644.93-12,891.35

Finding the Fourth Proportional to 48,430.03, 72,644.93 and 12,891.35

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Solution

The fourth proportional to 48,430.03, 72,644.93 and 12,891.35 is: 19,336.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,430.03 : 72,644.93 = 12,891.35 : x
  2. Step 2: Convert to fraction form
    48,430.03/72,644.93 = 12,891.35/x
  3. Step 3: Cross multiply
    48,430.03x = 72,644.93 × 12,891.35
  4. Step 4: Simplify right side
    48,430.03x = 936,491,218.36
  5. Step 5: Solve for x
    x = 936,491,218.36/48,430.03
  6. Step 6: Final answer
    x = 19,336.99

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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.