Home / 39,339.72-59,019.68-13,051.80

Finding the Fourth Proportional to 39,339.72, 59,019.68 and 13,051.80

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Solution

The fourth proportional to 39,339.72, 59,019.68 and 13,051.80 is: 19,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,339.72 : 59,019.68 = 13,051.80 : x
  2. Step 2: Convert to fraction form
    39,339.72/59,019.68 = 13,051.80/x
  3. Step 3: Cross multiply
    39,339.72x = 59,019.68 × 13,051.80
  4. Step 4: Simplify right side
    39,339.72x = 770,313,059.42
  5. Step 5: Solve for x
    x = 770,313,059.42/39,339.72
  6. Step 6: Final answer
    x = 19,581.05

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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.