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Finding the Fourth Proportional to 35,471.88, 53,207.46 and 10,512.12

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Solution

The fourth proportional to 35,471.88, 53,207.46 and 10,512.12 is: 15,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,471.88 : 53,207.46 = 10,512.12 : x
  2. Step 2: Convert to fraction form
    35,471.88/53,207.46 = 10,512.12/x
  3. Step 3: Cross multiply
    35,471.88x = 53,207.46 × 10,512.12
  4. Step 4: Simplify right side
    35,471.88x = 559,323,204.42
  5. Step 5: Solve for x
    x = 559,323,204.42/35,471.88
  6. Step 6: Final answer
    x = 15,768.07

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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.