Home / 42,004.94-63,019.09-18,314.56

Finding the Fourth Proportional to 42,004.94, 63,019.09 and 18,314.56

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Solution

The fourth proportional to 42,004.94, 63,019.09 and 18,314.56 is: 27,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,004.94 : 63,019.09 = 18,314.56 : x
  2. Step 2: Convert to fraction form
    42,004.94/63,019.09 = 18,314.56/x
  3. Step 3: Cross multiply
    42,004.94x = 63,019.09 × 18,314.56
  4. Step 4: Simplify right side
    42,004.94x = 1,154,167,009.97
  5. Step 5: Solve for x
    x = 1,154,167,009.97/42,004.94
  6. Step 6: Final answer
    x = 27,476.93

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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.