Home / 30,009.81-41,400.53-18,066.23

Finding the Fourth Proportional to 30,009.81, 41,400.53 and 18,066.23

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Solution

The fourth proportional to 30,009.81, 41,400.53 and 18,066.23 is: 24,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.81 : 41,400.53 = 18,066.23 : x
  2. Step 2: Convert to fraction form
    30,009.81/41,400.53 = 18,066.23/x
  3. Step 3: Cross multiply
    30,009.81x = 41,400.53 × 18,066.23
  4. Step 4: Simplify right side
    30,009.81x = 747,951,497.10
  5. Step 5: Solve for x
    x = 747,951,497.10/30,009.81
  6. Step 6: Final answer
    x = 24,923.57

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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.