Home / 54,381.51-75,045.96-30,507.66

Finding the Fourth Proportional to 54,381.51, 75,045.96 and 30,507.66

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Solution

The fourth proportional to 54,381.51, 75,045.96 and 30,507.66 is: 42,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,381.51 : 75,045.96 = 30,507.66 : x
  2. Step 2: Convert to fraction form
    54,381.51/75,045.96 = 30,507.66/x
  3. Step 3: Cross multiply
    54,381.51x = 75,045.96 × 30,507.66
  4. Step 4: Simplify right side
    54,381.51x = 2,289,476,632.05
  5. Step 5: Solve for x
    x = 2,289,476,632.05/54,381.51
  6. Step 6: Final answer
    x = 42,100.28

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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.