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Finding the Fourth Proportional to 39,410.59, 54,388.13 and 22,416.41

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Solution

The fourth proportional to 39,410.59, 54,388.13 and 22,416.41 is: 30,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,410.59 : 54,388.13 = 22,416.41 : x
  2. Step 2: Convert to fraction form
    39,410.59/54,388.13 = 22,416.41/x
  3. Step 3: Cross multiply
    39,410.59x = 54,388.13 × 22,416.41
  4. Step 4: Simplify right side
    39,410.59x = 1,219,186,462.94
  5. Step 5: Solve for x
    x = 1,219,186,462.94/39,410.59
  6. Step 6: Final answer
    x = 30,935.50

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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.