Home / 54,386.51-75,052.20-30,186.03

Finding the Fourth Proportional to 54,386.51, 75,052.20 and 30,186.03

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Solution

The fourth proportional to 54,386.51, 75,052.20 and 30,186.03 is: 41,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,386.51 : 75,052.20 = 30,186.03 : x
  2. Step 2: Convert to fraction form
    54,386.51/75,052.20 = 30,186.03/x
  3. Step 3: Cross multiply
    54,386.51x = 75,052.20 × 30,186.03
  4. Step 4: Simplify right side
    54,386.51x = 2,265,528,355.41
  5. Step 5: Solve for x
    x = 2,265,528,355.41/54,386.51
  6. Step 6: Final answer
    x = 41,656.08

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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.