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Finding the Fourth Proportional to 53,366.99, 73,646.96 and 29,168.64

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Solution

The fourth proportional to 53,366.99, 73,646.96 and 29,168.64 is: 40,253.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,366.99 : 73,646.96 = 29,168.64 : x
  2. Step 2: Convert to fraction form
    53,366.99/73,646.96 = 29,168.64/x
  3. Step 3: Cross multiply
    53,366.99x = 73,646.96 × 29,168.64
  4. Step 4: Simplify right side
    53,366.99x = 2,148,181,517.49
  5. Step 5: Solve for x
    x = 2,148,181,517.49/53,366.99
  6. Step 6: Final answer
    x = 40,253.01

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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.