Home / 30,007.68-41,404.84-18,071.80

Finding the Fourth Proportional to 30,007.68, 41,404.84 and 18,071.80

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Solution

The fourth proportional to 30,007.68, 41,404.84 and 18,071.80 is: 24,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.68 : 41,404.84 = 18,071.80 : x
  2. Step 2: Convert to fraction form
    30,007.68/41,404.84 = 18,071.80/x
  3. Step 3: Cross multiply
    30,007.68x = 41,404.84 × 18,071.80
  4. Step 4: Simplify right side
    30,007.68x = 748,259,987.51
  5. Step 5: Solve for x
    x = 748,259,987.51/30,007.68
  6. Step 6: Final answer
    x = 24,935.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.