Home / 39,400.23-59,109.69-11,319.62

Finding the Fourth Proportional to 39,400.23, 59,109.69 and 11,319.62

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Solution

The fourth proportional to 39,400.23, 59,109.69 and 11,319.62 is: 16,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.23 : 59,109.69 = 11,319.62 : x
  2. Step 2: Convert to fraction form
    39,400.23/59,109.69 = 11,319.62/x
  3. Step 3: Cross multiply
    39,400.23x = 59,109.69 × 11,319.62
  4. Step 4: Simplify right side
    39,400.23x = 669,098,976.02
  5. Step 5: Solve for x
    x = 669,098,976.02/39,400.23
  6. Step 6: Final answer
    x = 16,982.11

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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.