Home / 29,388.79-44,090.64-13,605.20

Finding the Fourth Proportional to 29,388.79, 44,090.64 and 13,605.20

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Solution

The fourth proportional to 29,388.79, 44,090.64 and 13,605.20 is: 20,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388.79 : 44,090.64 = 13,605.20 : x
  2. Step 2: Convert to fraction form
    29,388.79/44,090.64 = 13,605.20/x
  3. Step 3: Cross multiply
    29,388.79x = 44,090.64 × 13,605.20
  4. Step 4: Simplify right side
    29,388.79x = 599,861,975.33
  5. Step 5: Solve for x
    x = 599,861,975.33/29,388.79
  6. Step 6: Final answer
    x = 20,411.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.