Home / 54,816.04-75,649.54-30,934

Finding the Fourth Proportional to 54,816.04, 75,649.54 and 30,934

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Solution

The fourth proportional to 54,816.04, 75,649.54 and 30,934 is: 42,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,816.04 : 75,649.54 = 30,934 : x
  2. Step 2: Convert to fraction form
    54,816.04/75,649.54 = 30,934/x
  3. Step 3: Cross multiply
    54,816.04x = 75,649.54 × 30,934
  4. Step 4: Simplify right side
    54,816.04x = 2,340,142,870.36
  5. Step 5: Solve for x
    x = 2,340,142,870.36/54,816.04
  6. Step 6: Final answer
    x = 42,690.84

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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.