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Finding the Fourth Proportional to 35,563.79, 53,379.17 and 18,046.19

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Solution

The fourth proportional to 35,563.79, 53,379.17 and 18,046.19 is: 27,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,563.79 : 53,379.17 = 18,046.19 : x
  2. Step 2: Convert to fraction form
    35,563.79/53,379.17 = 18,046.19/x
  3. Step 3: Cross multiply
    35,563.79x = 53,379.17 × 18,046.19
  4. Step 4: Simplify right side
    35,563.79x = 963,290,643.86
  5. Step 5: Solve for x
    x = 963,290,643.86/35,563.79
  6. Step 6: Final answer
    x = 27,086.28

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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.