Home / 59,884.79-89,835.39-20,431.31

Finding the Fourth Proportional to 59,884.79, 89,835.39 and 20,431.31

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Solution

The fourth proportional to 59,884.79, 89,835.39 and 20,431.31 is: 30,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,884.79 : 89,835.39 = 20,431.31 : x
  2. Step 2: Convert to fraction form
    59,884.79/89,835.39 = 20,431.31/x
  3. Step 3: Cross multiply
    59,884.79x = 89,835.39 × 20,431.31
  4. Step 4: Simplify right side
    59,884.79x = 1,835,454,926.65
  5. Step 5: Solve for x
    x = 1,835,454,926.65/59,884.79
  6. Step 6: Final answer
    x = 30,649.77

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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.