Home / 39,668.70-59,465.63-13,355.04

Finding the Fourth Proportional to 39,668.70, 59,465.63 and 13,355.04

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Solution

The fourth proportional to 39,668.70, 59,465.63 and 13,355.04 is: 20,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,668.70 : 59,465.63 = 13,355.04 : x
  2. Step 2: Convert to fraction form
    39,668.70/59,465.63 = 13,355.04/x
  3. Step 3: Cross multiply
    39,668.70x = 59,465.63 × 13,355.04
  4. Step 4: Simplify right side
    39,668.70x = 794,165,900.66
  5. Step 5: Solve for x
    x = 794,165,900.66/39,668.70
  6. Step 6: Final answer
    x = 20,019.96

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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.