Home / 30,687.36-42,165.03-24,388.80

Finding the Fourth Proportional to 30,687.36, 42,165.03 and 24,388.80

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Solution

The fourth proportional to 30,687.36, 42,165.03 and 24,388.80 is: 33,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687.36 : 42,165.03 = 24,388.80 : x
  2. Step 2: Convert to fraction form
    30,687.36/42,165.03 = 24,388.80/x
  3. Step 3: Cross multiply
    30,687.36x = 42,165.03 × 24,388.80
  4. Step 4: Simplify right side
    30,687.36x = 1,028,354,483.66
  5. Step 5: Solve for x
    x = 1,028,354,483.66/30,687.36
  6. Step 6: Final answer
    x = 33,510.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.