Home / 53,890.68-74,366.46-30,019.80

Finding the Fourth Proportional to 53,890.68, 74,366.46 and 30,019.80

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Solution

The fourth proportional to 53,890.68, 74,366.46 and 30,019.80 is: 41,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.68 : 74,366.46 = 30,019.80 : x
  2. Step 2: Convert to fraction form
    53,890.68/74,366.46 = 30,019.80/x
  3. Step 3: Cross multiply
    53,890.68x = 74,366.46 × 30,019.80
  4. Step 4: Simplify right side
    53,890.68x = 2,232,466,255.91
  5. Step 5: Solve for x
    x = 2,232,466,255.91/53,890.68
  6. Step 6: Final answer
    x = 41,425.83

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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.