Home / 54,575.16-75,313.41-30,702

Finding the Fourth Proportional to 54,575.16, 75,313.41 and 30,702

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Solution

The fourth proportional to 54,575.16, 75,313.41 and 30,702 is: 42,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,575.16 : 75,313.41 = 30,702 : x
  2. Step 2: Convert to fraction form
    54,575.16/75,313.41 = 30,702/x
  3. Step 3: Cross multiply
    54,575.16x = 75,313.41 × 30,702
  4. Step 4: Simplify right side
    54,575.16x = 2,312,272,313.82
  5. Step 5: Solve for x
    x = 2,312,272,313.82/54,575.16
  6. Step 6: Final answer
    x = 42,368.59

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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.