Home / 39,429.28-59,166.96-18,670.24

Finding the Fourth Proportional to 39,429.28, 59,166.96 and 18,670.24

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Solution

The fourth proportional to 39,429.28, 59,166.96 and 18,670.24 is: 28,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,429.28 : 59,166.96 = 18,670.24 : x
  2. Step 2: Convert to fraction form
    39,429.28/59,166.96 = 18,670.24/x
  3. Step 3: Cross multiply
    39,429.28x = 59,166.96 × 18,670.24
  4. Step 4: Simplify right side
    39,429.28x = 1,104,661,343.27
  5. Step 5: Solve for x
    x = 1,104,661,343.27/39,429.28
  6. Step 6: Final answer
    x = 28,016.27

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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.