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Finding the Fourth Proportional to 35,967.40, 53,951.10 and 34,412.20

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Solution

The fourth proportional to 35,967.40, 53,951.10 and 34,412.20 is: 51,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,967.40 : 53,951.10 = 34,412.20 : x
  2. Step 2: Convert to fraction form
    35,967.40/53,951.10 = 34,412.20/x
  3. Step 3: Cross multiply
    35,967.40x = 53,951.10 × 34,412.20
  4. Step 4: Simplify right side
    35,967.40x = 1,856,576,043.42
  5. Step 5: Solve for x
    x = 1,856,576,043.42/35,967.40
  6. Step 6: Final answer
    x = 51,618.30

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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.