Home / 54,679.12-75,457.98-30,479.44

Finding the Fourth Proportional to 54,679.12, 75,457.98 and 30,479.44

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Solution

The fourth proportional to 54,679.12, 75,457.98 and 30,479.44 is: 42,062.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,679.12 : 75,457.98 = 30,479.44 : x
  2. Step 2: Convert to fraction form
    54,679.12/75,457.98 = 30,479.44/x
  3. Step 3: Cross multiply
    54,679.12x = 75,457.98 × 30,479.44
  4. Step 4: Simplify right side
    54,679.12x = 2,299,916,973.93
  5. Step 5: Solve for x
    x = 2,299,916,973.93/54,679.12
  6. Step 6: Final answer
    x = 42,062.07

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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.