Home / 30,388.48-41,935.68-17,814.40

Finding the Fourth Proportional to 30,388.48, 41,935.68 and 17,814.40

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Solution

The fourth proportional to 30,388.48, 41,935.68 and 17,814.40 is: 24,583.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388.48 : 41,935.68 = 17,814.40 : x
  2. Step 2: Convert to fraction form
    30,388.48/41,935.68 = 17,814.40/x
  3. Step 3: Cross multiply
    30,388.48x = 41,935.68 × 17,814.40
  4. Step 4: Simplify right side
    30,388.48x = 747,058,977.79
  5. Step 5: Solve for x
    x = 747,058,977.79/30,388.48
  6. Step 6: Final answer
    x = 24,583.62

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1.5x scale

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.