Home / 39,674.64-59,521.68-13,385.28

Finding the Fourth Proportional to 39,674.64, 59,521.68 and 13,385.28

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Solution

The fourth proportional to 39,674.64, 59,521.68 and 13,385.28 is: 20,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,674.64 : 59,521.68 = 13,385.28 : x
  2. Step 2: Convert to fraction form
    39,674.64/59,521.68 = 13,385.28/x
  3. Step 3: Cross multiply
    39,674.64x = 59,521.68 × 13,385.28
  4. Step 4: Simplify right side
    39,674.64x = 796,714,352.87
  5. Step 5: Solve for x
    x = 796,714,352.87/39,674.64
  6. Step 6: Final answer
    x = 20,081.20

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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.