Home / 39,804.67-59,694.29-13,145.69

Finding the Fourth Proportional to 39,804.67, 59,694.29 and 13,145.69

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Solution

The fourth proportional to 39,804.67, 59,694.29 and 13,145.69 is: 19,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,804.67 : 59,694.29 = 13,145.69 : x
  2. Step 2: Convert to fraction form
    39,804.67/59,694.29 = 13,145.69/x
  3. Step 3: Cross multiply
    39,804.67x = 59,694.29 × 13,145.69
  4. Step 4: Simplify right side
    39,804.67x = 784,722,800.89
  5. Step 5: Solve for x
    x = 784,722,800.89/39,804.67
  6. Step 6: Final answer
    x = 19,714.34

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1.5x scale

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.