Home / 54,645.48-75,412.02-30,448.05

Finding the Fourth Proportional to 54,645.48, 75,412.02 and 30,448.05

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Solution

The fourth proportional to 54,645.48, 75,412.02 and 30,448.05 is: 42,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645.48 : 75,412.02 = 30,448.05 : x
  2. Step 2: Convert to fraction form
    54,645.48/75,412.02 = 30,448.05/x
  3. Step 3: Cross multiply
    54,645.48x = 75,412.02 × 30,448.05
  4. Step 4: Simplify right side
    54,645.48x = 2,296,148,955.56
  5. Step 5: Solve for x
    x = 2,296,148,955.56/54,645.48
  6. Step 6: Final answer
    x = 42,019.01

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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.