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Finding the Fourth Proportional to 52,242.48, 72,099.09 and 29,585.48

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Solution

The fourth proportional to 52,242.48, 72,099.09 and 29,585.48 is: 40,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,242.48 : 72,099.09 = 29,585.48 : x
  2. Step 2: Convert to fraction form
    52,242.48/72,099.09 = 29,585.48/x
  3. Step 3: Cross multiply
    52,242.48x = 72,099.09 × 29,585.48
  4. Step 4: Simplify right side
    52,242.48x = 2,133,085,824.72
  5. Step 5: Solve for x
    x = 2,133,085,824.72/52,242.48
  6. Step 6: Final answer
    x = 40,830.49

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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.