Home / 39,698.29-59,555.13-13,404.88

Finding the Fourth Proportional to 39,698.29, 59,555.13 and 13,404.88

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Solution

The fourth proportional to 39,698.29, 59,555.13 and 13,404.88 is: 20,109.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,698.29 : 59,555.13 = 13,404.88 : x
  2. Step 2: Convert to fraction form
    39,698.29/59,555.13 = 13,404.88/x
  3. Step 3: Cross multiply
    39,698.29x = 59,555.13 × 13,404.88
  4. Step 4: Simplify right side
    39,698.29x = 798,329,371.03
  5. Step 5: Solve for x
    x = 798,329,371.03/39,698.29
  6. Step 6: Final answer
    x = 20,109.92

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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.